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|
- ..
- -------------------------------------------------------------------
- NOTE: This file is automatically generated by running clang-tblgen
- -gen-diag-docs. Do not edit this file by hand!!
- -------------------------------------------------------------------
- .. Add custom CSS to output. FIXME: This should be put into <head> rather
- than the start of <body>.
- .. raw:: html
- <style>
- table.docutils {
- width: 1px;
- }
- table.docutils td {
- border: none;
- padding: 0 0 0 0.2em;
- vertical-align: middle;
- white-space: nowrap;
- width: 1px;
- font-family: monospace;
- }
- table.docutils tr + tr {
- border-top: 0.2em solid #aaa;
- }
- .error {
- font-family: monospace;
- font-weight: bold;
- color: #c00;
- }
- .warning {
- font-family: monospace;
- font-weight: bold;
- color: #80a;
- }
- .remark {
- font-family: monospace;
- font-weight: bold;
- color: #00c;
- }
- .diagtext {
- font-family: monospace;
- font-weight: bold;
- }
- </style>
- .. FIXME: rST doesn't support formatting this, so we format all <td> elements
- as monospace font face instead.
- .. |nbsp| unicode:: 0xA0
- :trim:
- .. Roles generated by clang-tblgen.
- .. role:: error
- .. role:: warning
- .. role:: remark
- .. role:: diagtext
- .. role:: placeholder(emphasis)
- =========================
- Diagnostic flags in Clang
- =========================
- .. contents::
- :local:
- Introduction
- ============
- This page lists the diagnostic flags currently supported by Clang.
- Diagnostic flags
- ================
- -W
- --
- Synonym for `-Wextra`_.
- -W#pragma-messages
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -W#warnings
- -----------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -WCFString-literal
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`input conversion stopped due to an input byte that does not belong to the input codeset UTF-8`|
- +------------------------------------------------------------------------------------------------------------------------------------+
- -WCL4
- -----
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wall`_, `-Wextra`_.
- -WIndependentClass-attribute
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'objc\_independent\_class' attribute may be put on a typedef only; attribute is ignored`|
- +------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'objc\_independent\_class' attribute may be put on Objective-C object pointer type only; attribute is ignored`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- -WNSObject-attribute
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'NSObject' attribute may be put on a typedef only; attribute is ignored`|
- +--------------------------------------------------------------------------------------------------------------+
- -Wabi
- -----
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wabsolute-value
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`absolute value function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`given an argument of type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`but has parameter of type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`which may cause truncation of value`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------+----------------------+---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`taking the absolute value of` |nbsp| |+--------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is suspicious`|
- | ||:diagtext:`pointer` || |
- | |+--------------------+| |
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`array` || |
- | |+--------------------+| |
- +---------------------------------------------------------------------------+----------------------+---------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`taking the absolute value of unsigned type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has no effect`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------+----------------------------+------------------------------------------------------------------------------------------------------------------+----------------------------+------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using` |nbsp| |+--------------------------+| |nbsp| :diagtext:`absolute value function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`when argument is of` |nbsp| |+--------------------------+| |nbsp| :diagtext:`type`|
- | ||:diagtext:`integer` || ||:diagtext:`integer` || |
- | |+--------------------------+| |+--------------------------+| |
- | ||:diagtext:`floating point`|| ||:diagtext:`floating point`|| |
- | |+--------------------------+| |+--------------------------+| |
- | ||:diagtext:`complex` || ||:diagtext:`complex` || |
- | |+--------------------------+| |+--------------------------+| |
- +----------------------------------------------------+----------------------------+------------------------------------------------------------------------------------------------------------------+----------------------------+------------------------+
- -Wabstract-final-class
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------+--------------------+-------------+
- |:warning:`warning:` |nbsp| :diagtext:`abstract class is marked '`|+------------------+|:diagtext:`'`|
- | ||:diagtext:`final` || |
- | |+------------------+| |
- | ||:diagtext:`sealed`|| |
- | |+------------------+| |
- +-----------------------------------------------------------------+--------------------+-------------+
- -Wabstract-vbase-init
- ---------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initializer for virtual base class` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of abstract class` |nbsp| :placeholder:`B` |nbsp| :diagtext:`will never be used`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Waddress
- ---------
- This diagnostic is enabled by default.
- Controls `-Wpointer-bool-conversion`_, `-Wstring-compare`_, `-Wtautological-pointer-compare`_.
- -Waddress-of-array-temporary
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pointer is initialized by a temporary array, which will be destroyed at the end of the full-expression`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- -Waddress-of-packed-member
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`taking address of packed member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of class or structure` |nbsp| :placeholder:`B` |nbsp| :diagtext:`may result in an unaligned pointer value`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Waddress-of-temporary
- ----------------------
- This diagnostic is an error by default, but the flag ``-Wno-address-of-temporary`` can be used to disable the error.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`taking the address of a temporary object of type` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------------------------+
- -Waggregate-return
- ------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Waligned-allocation-unavailable
- --------------------------------
- This diagnostic is an error by default, but the flag ``-Wno-aligned-allocation-unavailable`` can be used to disable the error.
- **Diagnostic text:**
- +--------------------------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`aligned` |nbsp| |+------------------------+| |nbsp| :diagtext:`function of type '`:placeholder:`B`:diagtext:`' is only available on` |nbsp| :placeholder:`C` |nbsp| :placeholder:`D` |nbsp| :diagtext:`or newer`|
- | ||:diagtext:`allocation` || |
- | |+------------------------+| |
- | ||:diagtext:`deallocation`|| |
- | |+------------------------+| |
- +--------------------------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wall
- -----
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wmost`_, `-Wparentheses`_, `-Wswitch`_, `-Wswitch-bool`_.
- -Walloca-with-align-alignof
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`second argument to \_\_builtin\_alloca\_with\_align is supposed to be in bits`|
- +--------------------------------------------------------------------------------------------------------------------+
- -Wambiguous-delete
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multiple suitable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`functions for` |nbsp| :placeholder:`B`:diagtext:`; no 'operator delete' function will be invoked if initialization throws an exception`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wambiguous-ellipsis
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+---------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'...' in this location creates a C-style varargs function`|+-------------------------------------------+|
- | ||:diagtext:`, not a function parameter pack`||
- | |+-------------------------------------------+|
- | || ||
- | |+-------------------------------------------+|
- +------------------------------------------------------------------------------------------------+---------------------------------------------+
- -Wambiguous-macro
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ambiguous expansion of macro` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------+
- -Wambiguous-member-template
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`lookup of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in member access expression is ambiguous; using member of` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wanalyzer-incompatible-plugin
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`checker plugin '`:placeholder:`A`:diagtext:`' is not compatible with this version of the analyzer`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- -Wanonymous-pack-parens
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++11 requires a parenthesized pack declaration to have a name`|
- +---------------------------------------------------------------------------------------------------------+
- -Warc
- -----
- This diagnostic is enabled by default.
- Controls `-Warc-non-pod-memaccess`_, `-Warc-retain-cycles`_, `-Warc-unsafe-retained-assign`_.
- -Warc-bridge-casts-disallowed-in-nonarc
- ---------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' casts have no effect when not using ARC`|
- +-------------------------------------------------------------------------------------------------------------+
- -Warc-maybe-repeated-use-of-weak
- --------------------------------
- **Diagnostic text:**
- +---------------------------------------------------+-------------------------------+------------------------------------------------------------------------------------------+----------------------+-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`weak` |nbsp| |+-----------------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`may be accessed multiple times in this` |nbsp| |+--------------------+| |nbsp| :diagtext:`and may be unpredictably set to nil; assign to a strong variable to keep the object alive`|
- | ||:diagtext:`variable` || ||:diagtext:`function`|| |
- | |+-----------------------------+| |+--------------------+| |
- | ||:diagtext:`property` || ||:diagtext:`method` || |
- | |+-----------------------------+| |+--------------------+| |
- | ||:diagtext:`implicit property`|| ||:diagtext:`block` || |
- | |+-----------------------------+| |+--------------------+| |
- | ||:diagtext:`instance variable`|| ||:diagtext:`lambda` || |
- | |+-----------------------------+| |+--------------------+| |
- +---------------------------------------------------+-------------------------------+------------------------------------------------------------------------------------------+----------------------+-------------------------------------------------------------------------------------------------------------+
- -Warc-non-pod-memaccess
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+-----------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+---------------------------+| |nbsp| :diagtext:`this` |nbsp| :placeholder:`B` |nbsp| :diagtext:`call is a pointer to ownership-qualified type` |nbsp| :placeholder:`C`|
- | ||:diagtext:`destination for`|| |
- | |+---------------------------+| |
- | ||:diagtext:`source of` || |
- | |+---------------------------+| |
- +---------------------------+-----------------------------+-----------------------------------------------------------------------------------------------------------------------------------------+
- -Warc-performSelector-leaks
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`performSelector may cause a leak because its selector is unknown`|
- +-------------------------------------------------------------------------------------------------------+
- -Warc-repeated-use-of-weak
- --------------------------
- Also controls `-Warc-maybe-repeated-use-of-weak`_.
- **Diagnostic text:**
- +---------------------------------------------------+-------------------------------+--------------------------------------------------------------------------------------+----------------------+-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`weak` |nbsp| |+-----------------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`is accessed multiple times in this` |nbsp| |+--------------------+| |nbsp| :diagtext:`but may be unpredictably set to nil; assign to a strong variable to keep the object alive`|
- | ||:diagtext:`variable` || ||:diagtext:`function`|| |
- | |+-----------------------------+| |+--------------------+| |
- | ||:diagtext:`property` || ||:diagtext:`method` || |
- | |+-----------------------------+| |+--------------------+| |
- | ||:diagtext:`implicit property`|| ||:diagtext:`block` || |
- | |+-----------------------------+| |+--------------------+| |
- | ||:diagtext:`instance variable`|| ||:diagtext:`lambda` || |
- | |+-----------------------------+| |+--------------------+| |
- +---------------------------------------------------+-------------------------------+--------------------------------------------------------------------------------------+----------------------+-------------------------------------------------------------------------------------------------------------+
- -Warc-retain-cycles
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`capturing` |nbsp| :placeholder:`A` |nbsp| :diagtext:`strongly in this block is likely to lead to a retain cycle`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Warc-unsafe-retained-assign
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------+---------------------------------+-------------------------------------+----------------------+------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`assigning` |nbsp| |+-------------------------------+| |nbsp| :diagtext:`to a weak` |nbsp| |+--------------------+|:diagtext:`; object will be released after assignment`|
- | ||:diagtext:`array literal` || ||:diagtext:`property`|| |
- | |+-------------------------------+| |+--------------------+| |
- | ||:diagtext:`dictionary literal` || ||:diagtext:`variable`|| |
- | |+-------------------------------+| |+--------------------+| |
- | ||:diagtext:`numeric literal` || | | |
- | |+-------------------------------+| | | |
- | ||:diagtext:`boxed expression` || | | |
- | |+-------------------------------+| | | |
- | ||:diagtext:`<should not happen>`|| | | |
- | |+-------------------------------+| | | |
- | ||:diagtext:`block literal` || | | |
- | |+-------------------------------+| | | |
- +--------------------------------------------------------+---------------------------------+-------------------------------------+----------------------+------------------------------------------------------+
- +---------------------------------------------------------------------------+--------------------------------+--------+----------------------+------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`assigning retained object to` |nbsp| |+------------------------------+| |nbsp| |+--------------------+|:diagtext:`; object will be released after assignment`|
- | ||:diagtext:`weak` || ||:diagtext:`property`|| |
- | |+------------------------------+| |+--------------------+| |
- | ||:diagtext:`unsafe\_unretained`|| ||:diagtext:`variable`|| |
- | |+------------------------------+| |+--------------------+| |
- +---------------------------------------------------------------------------+--------------------------------+--------+----------------------+------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`assigning retained object to unsafe property; object will be released after assignment`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Warray-bounds
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+-------------+
- |:warning:`warning:` |nbsp| :diagtext:`array index` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is past the end of the array (which contains` |nbsp| :placeholder:`B` |nbsp| :diagtext:`element`|+-------------+|:diagtext:`)`|
- | || || |
- | |+-------------+| |
- | ||:diagtext:`s`|| |
- | |+-------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+-------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`array index` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is before the beginning of the array`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`array argument is too small; contains` |nbsp| :placeholder:`A` |nbsp| :diagtext:`elements, callee requires at least` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'static' has no effect on zero-length arrays`|
- +-----------------------------------------------------------------------------------+
- -Warray-bounds-pointer-arithmetic
- ---------------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+-------------+
- |:warning:`warning:` |nbsp| :diagtext:`the pointer incremented by` |nbsp| :placeholder:`A` |nbsp| :diagtext:`refers past the end of the array (that contains` |nbsp| :placeholder:`B` |nbsp| :diagtext:`element`|+-------------+|:diagtext:`)`|
- | || || |
- | |+-------------+| |
- | ||:diagtext:`s`|| |
- | |+-------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+-------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the pointer decremented by` |nbsp| :placeholder:`A` |nbsp| :diagtext:`refers before the beginning of the array`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wasm
- -----
- This diagnostic is enabled by default.
- Controls `-Wasm-ignored-qualifier`_, `-Wasm-operand-widths`_.
- -Wasm-ignored-qualifier
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignored` |nbsp| :placeholder:`A` |nbsp| :diagtext:`qualifier on asm`|
- +----------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`meaningless 'volatile' on asm outside function`|
- +-------------------------------------------------------------------------------------+
- -Wasm-operand-widths
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`value size does not match register size specified by the constraint and modifier`|
- +-----------------------------------------------------------------------------------------------------------------------+
- -Wassign-enum
- -------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`integer constant not in range of enumerated type` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------------------------------------+
- -Wassume
- --------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the argument to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has side effects that will be discarded`|
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- -Wat-protocol
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`@protocol is using a forward protocol declaration of` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------------+
- -Watomic-memory-ordering
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`memory order argument to atomic operation is invalid`|
- +-------------------------------------------------------------------------------------------+
- -Watomic-properties
- -------------------
- Controls `-Wcustom-atomic-properties`_, `-Wimplicit-atomic-properties`_.
- -Watomic-property-with-user-defined-accessor
- --------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------+--------------------+-----------------------------------------------+--------------------+
- |:warning:`warning:` |nbsp| :diagtext:`writable atomic property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot pair a synthesized` |nbsp| |+------------------+| |nbsp| :diagtext:`with a user defined` |nbsp| |+------------------+|
- | ||:diagtext:`getter`|| ||:diagtext:`getter`||
- | |+------------------+| |+------------------+|
- | ||:diagtext:`setter`|| ||:diagtext:`setter`||
- | |+------------------+| |+------------------+|
- +--------------------------------------------------------------------------------------------------------------------------------------------+--------------------+-----------------------------------------------+--------------------+
- -Wattribute-packed-for-bitfield
- -------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'packed' attribute was ignored on bit-fields with single-byte alignment in older versions of GCC and Clang`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wattributes
- ------------
- This diagnostic is enabled by default.
- Controls `-Wignored-attributes`_, `-Wunknown-attributes`_.
- -Wauto-disable-vptr-sanitizer
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicitly disabling vptr sanitizer because rtti wasn't enabled`|
- +------------------------------------------------------------------------------------------------------+
- -Wauto-import
- -------------
- **Diagnostic text:**
- +-------------------------------------------------+---------------------------------+-------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`treating #`|+-------------------------------+| |nbsp| :diagtext:`as an import of module '`:placeholder:`B`:diagtext:`'`|
- | ||:diagtext:`include` || |
- | |+-------------------------------+| |
- | ||:diagtext:`import` || |
- | |+-------------------------------+| |
- | ||:diagtext:`include\_next` || |
- | |+-------------------------------+| |
- | ||:diagtext:`\_\_include\_macros`|| |
- | |+-------------------------------+| |
- +-------------------------------------------------+---------------------------------+-------------------------------------------------------------------------+
- -Wauto-storage-class
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'auto' storage class specifier is not permitted in C++11, and will not be supported in future releases`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- -Wauto-var-id
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'auto' deduced as 'id' in declaration of` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------+
- -Wavailability
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'unavailable' availability overrides all other availability information`|
- +--------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown platform` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in availability macro`|
- +------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------+------------------------+------------------------------------------------------------------------------------------------------------------------------------------+------------------------+-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`feature cannot be` |nbsp| |+----------------------+| |nbsp| :diagtext:`in` |nbsp| :placeholder:`B` |nbsp| :diagtext:`version` |nbsp| :placeholder:`C` |nbsp| :diagtext:`before it was` |nbsp| |+----------------------+| |nbsp| :diagtext:`in version` |nbsp| :placeholder:`E`:diagtext:`; attribute ignored`|
- | ||:diagtext:`introduced`|| ||:diagtext:`introduced`|| |
- | |+----------------------+| |+----------------------+| |
- | ||:diagtext:`deprecated`|| ||:diagtext:`deprecated`|| |
- | |+----------------------+| |+----------------------+| |
- | ||:diagtext:`obsoleted` || ||:diagtext:`obsoleted` || |
- | |+----------------------+| |+----------------------+| |
- +----------------------------------------------------------------+------------------------+------------------------------------------------------------------------------------------------------------------------------------------+------------------------+-------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use same version number separators '\_' or '.'; as in 'major\[.minor\[.subminor\]\]'`|
- +---------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`availability does not match previous declaration`|
- +---------------------------------------------------------------------------------------+
- +---------------------------+--------------------------------+--------------------------+-------------------------------+--------+-----------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+------------------------------+|:diagtext:`method` |nbsp| |+-----------------------------+| |nbsp| |+---------------------------------------------+| |nbsp| :diagtext:`on` |nbsp| :placeholder:`B` |nbsp| :diagtext:`(`:placeholder:`C` |nbsp| :diagtext:`vs.` |nbsp| :placeholder:`D`:diagtext:`)`|
- | || || ||:diagtext:`introduced after` || ||:diagtext:`the protocol method it implements`|| |
- | |+------------------------------+| |+-----------------------------+| |+---------------------------------------------+| |
- | ||:diagtext:`overriding` |nbsp| || ||:diagtext:`deprecated before`|| ||:diagtext:`overridden method` || |
- | |+------------------------------+| |+-----------------------------+| |+---------------------------------------------+| |
- | | | ||:diagtext:`obsoleted before` || | | |
- | | | |+-----------------------------+| | | |
- +---------------------------+--------------------------------+--------------------------+-------------------------------+--------+-----------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------+--------------------------------+---------------------------------------------------------------------------------------------------+-----------------------------------------------+--------------------------------+
- |:warning:`warning:` |nbsp| |+------------------------------+|:diagtext:`method cannot be unavailable on` |nbsp| :placeholder:`A` |nbsp| :diagtext:`when` |nbsp| |+---------------------------------------------+| |nbsp| :diagtext:`is available`|
- | || || ||:diagtext:`the protocol method it implements`|| |
- | |+------------------------------+| |+---------------------------------------------+| |
- | ||:diagtext:`overriding` |nbsp| || ||:diagtext:`its overridden method` || |
- | |+------------------------------+| |+---------------------------------------------+| |
- +---------------------------+--------------------------------+---------------------------------------------------------------------------------------------------+-----------------------------------------------+--------------------------------+
- -Wbackend-plugin
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -Wbackslash-newline-escape
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`backslash and newline separated by space`|
- +-------------------------------------------------------------------------------+
- -Wbad-function-cast
- -------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast from function call of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to non-matching type` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wbinary-literal
- ----------------
- Controls `-Wc++14-binary-literal`_, `-Wc++98-c++11-compat-binary-literal`_, `-Wgnu-binary-literal`_.
- -Wbind-to-temporary-copy
- ------------------------
- Also controls `-Wc++98-compat-bind-to-temporary-copy`_.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C++98 requires an accessible copy constructor for class` |nbsp| :placeholder:`C` |nbsp| :diagtext:`when binding a reference to a temporary; was` |nbsp| |+---------------------+|
- | ||:diagtext:`private` ||
- | |+---------------------+|
- | ||:diagtext:`protected`||
- | |+---------------------+|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+
- +--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no viable constructor` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`B`:diagtext:`; C++98 requires a copy constructor when binding a reference to a temporary`|
- | ||:diagtext:`copying variable` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying parameter` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`returning object` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`throwing object` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying member subobject` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying array element` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`allocating object` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying temporary` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`initializing base subobject`|| |
- | |+---------------------------------------+| |
- | ||:diagtext:`initializing vector element`|| |
- | |+---------------------------------------+| |
- | ||:diagtext:`capturing value` || |
- | |+---------------------------------------+| |
- +--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
- -Wbitfield-constant-conversion
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit truncation from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to bit-field changes value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wbitfield-enum-conversion
- --------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`bit-field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not wide enough to store all enumerators of` |nbsp| :placeholder:`B`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`signed bit-field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`needs an extra bit to represent the largest positive enumerators of` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`assigning value of signed enum type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to unsigned bit-field` |nbsp| :placeholder:`A`:diagtext:`; negative enumerators of enum` |nbsp| :placeholder:`B` |nbsp| :diagtext:`will be converted to positive values`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wbitfield-width
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+
- |:warning:`warning:` |nbsp| :diagtext:`width of anonymous bit-field (`:placeholder:`A` |nbsp| :diagtext:`bits) exceeds width of its type; value will be truncated to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`bit`|+-------------+|
- | || ||
- | |+-------------+|
- | ||:diagtext:`s`||
- | |+-------------+|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+
- |:warning:`warning:` |nbsp| :diagtext:`width of bit-field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`(`:placeholder:`B` |nbsp| :diagtext:`bits) exceeds the width of its type; value will be truncated to` |nbsp| :placeholder:`C` |nbsp| :diagtext:`bit`|+-------------+|
- | || ||
- | |+-------------+|
- | ||:diagtext:`s`||
- | |+-------------+|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+
- -Wbitwise-op-parentheses
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' within '`:placeholder:`B`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wblock-capture-autoreleasing
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`block captures an autoreleasing out-parameter, which may result in use-after-free bugs`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Wbool-conversion
- -----------------
- This diagnostic is enabled by default.
- Also controls `-Wpointer-bool-conversion`_, `-Wundefined-bool-conversion`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initialization of pointer of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to null from a constant boolean expression`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wbool-conversions
- ------------------
- Synonym for `-Wbool-conversion`_.
- -Wbraced-scalar-init
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`braces around scalar initializer`|
- +-----------------------------------------------------------------------+
- -Wbridge-cast
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`bridges to` |nbsp| :placeholder:`B`:diagtext:`, not` |nbsp| :placeholder:`C`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot bridge to` |nbsp| :placeholder:`B`|
- +-------------------------------------------------------------------------------------------------------+
- -Wbuiltin-macro-redefined
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redefining builtin macro`|
- +---------------------------------------------------------------+
- +---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`undefining builtin macro`|
- +---------------------------------------------------------------+
- -Wbuiltin-memcpy-chk-size
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will always overflow destination buffer`|
- +------------------------------------------------------------------------------------------------------+
- -Wbuiltin-requires-header
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration of built-in function '`:placeholder:`B`:diagtext:`' requires inclusion of the header <`:placeholder:`A`:diagtext:`>`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wc++-compat
- ------------
- **Diagnostic text:**
- +---------------------------+---------------------------+--------------------+--------------------------------------------+---------------------------+--------------------------+
- |:warning:`warning:` |nbsp| |+-------------------------+|+------------------+| |nbsp| :diagtext:`has size 0 in C,` |nbsp| |+-------------------------+| |nbsp| :diagtext:`in C++`|
- | || |||:diagtext:`struct`|| ||:diagtext:`size 1` || |
- | |+-------------------------+|+------------------+| |+-------------------------+| |
- | ||:diagtext:`empty` |nbsp| |||:diagtext:`union` || ||:diagtext:`non-zero size`|| |
- | |+-------------------------+|+------------------+| |+-------------------------+| |
- +---------------------------+---------------------------+--------------------+--------------------------------------------+---------------------------+--------------------------+
- -Wc++0x-compat
- --------------
- Synonym for `-Wc++11-compat`_.
- -Wc++0x-extensions
- ------------------
- Synonym for `-Wc++11-extensions`_.
- -Wc++0x-narrowing
- -----------------
- Synonym for `-Wc++11-narrowing`_.
- -Wc++11-compat
- --------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wc++11-compat-deprecated-writable-strings`_, `-Wc++11-compat-reserved-user-defined-literal`_, `-Wc++11-narrowing`_, `-Wc++98-c++11-c++14-c++17-compat`_, `-Wc++98-c++11-c++14-compat`_, `-Wc++98-c++11-compat`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`integer literal is too large to be represented in type 'long' and is subject to undefined behavior under C++98, interpreting as 'unsigned long'; this literal will` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`in C++11 onwards`|
- | ||:diagtext:`have type 'long long'`|| |
- | |+---------------------------------+| |
- | ||:diagtext:`be ill-formed` || |
- | |+---------------------------------+| |
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------------+
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'auto' storage class specifier is redundant and incompatible with C++11`|
- +--------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`identifier after literal will be treated as a user-defined literal suffix in C++11`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is a keyword in C++11`|
- +-------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of right-shift operator ('>>') in template argument will require parentheses in C++11`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit instantiation cannot be 'inline'`|
- +--------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`must occur at global scope`|
- +--------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not in a namespace enclosing` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`must occur in namespace` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C++98; this literal will` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`in C++11 onwards`|
- | ||:diagtext:`have type 'long long'`|| |
- | |+---------------------------------+| |
- | ||:diagtext:`be ill-formed` || |
- | |+---------------------------------+| |
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------------+
- -Wc++11-compat-deprecated-writable-strings
- ------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conversion from string literal to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is deprecated`|
- +---------------------------------------------------------------------------------------------------------------------------------+
- -Wc++11-compat-pedantic
- -----------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wc++11-compat`_, `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_.
- -Wc++11-compat-reserved-user-defined-literal
- --------------------------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`identifier after literal will be treated as a reserved user-defined literal suffix in C++11`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- -Wc++11-extensions
- ------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wc++11-extra-semi`_, `-Wc++11-inline-namespace`_, `-Wc++11-long-long`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`alias declarations are a C++11 extension`|
- +-------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from array size expression of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| |+-----------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is a C++11 extension`|
- | ||:diagtext:`integral` || |
- | |+-----------------------+| |
- | ||:diagtext:`enumeration`|| |
- | |+-----------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'auto' type specifier is a C++11 extension`|
- +---------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumeration types with a fixed underlying type are a C++11 extension`|
- +-----------------------------------------------------------------------------------------------------------+
- +---------------------------+-----------------------+--------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+---------------------+| |nbsp| :diagtext:`function definitions are a C++11 extension`|
- | ||:diagtext:`defaulted`|| |
- | |+---------------------+| |
- | ||:diagtext:`deleted` || |
- | |+---------------------+| |
- +---------------------------+-----------------------+--------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`befriending enumeration type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a C++11 extension`|
- +-----------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`commas at the end of enumerator lists are a C++11 extension`|
- +--------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit conversion functions are a C++11 extension`|
- +------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extern templates are a C++11 extension`|
- +-----------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`range-based for loop is a C++11 extension`|
- +--------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`generalized initializer lists are a C++11 extension`|
- +------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of enumeration in a nested name specifier is a C++11 extension`|
- +---------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-class friend type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a C++11 extension`|
- +----------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`in-class initialization of non-static data member is a C++11 extension`|
- +-------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' keyword is a C++11 extension`|
- +--------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reference qualifiers on functions are a C++11 extension`|
- +----------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`rvalue references are a C++11 extension`|
- +------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`scoped enumerations are a C++11 extension`|
- +--------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static data member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in union is a C++11 extension`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+----------------------+--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-type template argument referring to` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`with internal linkage is a C++11 extension`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`object` || |
- | |+--------------------+| |
- +--------------------------------------------------------------------------------------+----------------------+--------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'template' keyword outside of a template`|
- +-------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default template arguments for a function template are a C++11 extension`|
- +---------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`first declaration of` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`specialization of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`outside namespace` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is a C++11 extension`|
- | ||:diagtext:`class template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`class template partial` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`variable template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`variable template partial`|| |
- | |+-------------------------------------+| |
- | ||:diagtext:`function template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member function` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`static data member` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member class` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member enumeration` || |
- | |+-------------------------------------+| |
- +-------------------------------------------------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'typename' occurs outside of a template`|
- +------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unelaborated friend declaration is a C++11 extension; specify '`|+---------------------+|:diagtext:`' to befriend` |nbsp| :placeholder:`B`|
- | ||:diagtext:`struct` || |
- | |+---------------------+| |
- | ||:diagtext:`interface`|| |
- | |+---------------------+| |
- | ||:diagtext:`union` || |
- | |+---------------------+| |
- | ||:diagtext:`class` || |
- | |+---------------------+| |
- | ||:diagtext:`enum` || |
- | |+---------------------+| |
- +------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variadic templates are a C++11 extension`|
- +-------------------------------------------------------------------------------+
- -Wc++11-extra-semi
- ------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra ';' outside of a function is a C++11 extension`|
- +-------------------------------------------------------------------------------------------+
- -Wc++11-inline-namespace
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inline namespaces are a C++11 feature`|
- +----------------------------------------------------------------------------+
- -Wc++11-long-long
- -----------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'long long' is a C++11 extension`|
- +-----------------------------------------------------------------------+
- -Wc++11-narrowing
- -----------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +-----------------------+----------------------------------------+--------+--------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| |+--------------------------------------+| |nbsp| |+------------------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`case value` || ||+--------------------------------------------------------------------------------------------------------------+ ||
- | |+--------------------------------------+| |||:diagtext:`cannot be narrowed from type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`| ||
- | ||:diagtext:`enumerator value` || ||+--------------------------------------------------------------------------------------------------------------+ ||
- | |+--------------------------------------+| |+------------------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`non-type template argument`|| ||+----------------------------------------------------------------------------------------------------------------------+||
- | |+--------------------------------------+| |||:diagtext:`evaluates to` |nbsp| :placeholder:`C`:diagtext:`, which cannot be narrowed to type` |nbsp| :placeholder:`D`|||
- | ||:diagtext:`array size` || ||+----------------------------------------------------------------------------------------------------------------------+||
- | |+--------------------------------------+| |+------------------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`constexpr if condition` || | |
- | |+--------------------------------------+| | |
- +-----------------------+----------------------------------------+--------+--------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`constant expression evaluates to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`which cannot be narrowed to type` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot be narrowed to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`in initializer list`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`non-constant-expression cannot be narrowed from type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`in initializer list`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`constant expression evaluates to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`which cannot be narrowed to type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`in C++11`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot be narrowed to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`in initializer list in C++11`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-constant-expression cannot be narrowed from type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`in initializer list in C++11`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wc++14-binary-literal
- ----------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`binary integer literals are a C++14 extension`|
- +------------------------------------------------------------------------------------+
- -Wc++14-compat
- --------------
- Controls `-Wc++98-c++11-c++14-c++17-compat`_, `-Wc++98-c++11-c++14-compat`_.
- -Wc++14-compat-pedantic
- -----------------------
- Controls `-Wc++14-compat`_, `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_.
- -Wc++14-extensions
- ------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wc++14-binary-literal`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------+-------------------------+----------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of this statement in a constexpr` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is a C++14 extension`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +-----------------------------------------------------------------------------------+-------------------------+----------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multiple return statements in constexpr function is a C++14 extension`|
- +------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------+-------------------------+----------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable declaration in a constexpr` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is a C++14 extension`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +----------------------------------------------------------------------------------+-------------------------+----------------------------------------+
- +-----------------------------------------------------------------------------+-------------------------+----------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type definition in a constexpr` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is a C++14 extension`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +-----------------------------------------------------------------------------+-------------------------+----------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++14 extension`|
- +---------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'decltype(auto)' type specifier is a C++14 extension`|
- +-------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initialized lambda captures are a C++14 extension`|
- +----------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable templates are a C++14 extension`|
- +-------------------------------------------------------------------------------+
- -Wc++17-compat
- --------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wc++17-compat-mangling`_, `-Wc++98-c++11-c++14-c++17-compat`_, `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_.
- -Wc++17-compat-mangling
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`mangled name of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will change in C++17 due to non-throwing exception specification in function signature`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wc++17-compat-pedantic
- -----------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wc++17-compat`_, `-Wc++98-c++11-c++14-c++17-compat-pedantic`_.
- -Wc++17-extensions
- ------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`constexpr if is a C++17 extension`|
- +------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'constexpr' on lambda expressions is a C++17 extension`|
- +---------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++17 extension`|
- +---------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`decomposition declarations are a C++17 extension`|
- +---------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pack fold expression is a C++17 extension`|
- +--------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'begin' and 'end' returning different types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is a C++17 extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are a C++17 feature`|
- +----------------------------------------------------------------------------------------+
- +----------------------------------------+--------------------+-------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+------------------+|:diagtext:`' initialization statements are a C++17 extension`|
- | ||:diagtext:`if` || |
- | |+------------------+| |
- | ||:diagtext:`switch`|| |
- | |+------------------+| |
- +----------------------------------------+--------------------+-------------------------------------------------------------+
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inline variables are a C++17 extension`|
- +-----------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is a C++17 extension`|
- +---------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`nested namespace definition is a C++17 extension; define each namespace separately`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------+---------------------------+-----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attributes on` |nbsp| |+-------------------------+| |nbsp| :diagtext:`declaration are a C++17 extension`|
- | ||:diagtext:`a namespace` || |
- | |+-------------------------+| |
- | ||:diagtext:`an enumerator`|| |
- | |+-------------------------+| |
- +------------------------------------------------------------+---------------------------+-----------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`capture of '\*this' by copy is a C++17 extension`|
- +---------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static\_assert with no message is a C++17 extension`|
- +------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`template template parameter using 'typename' is a C++17 extension`|
- +--------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is a C++17 extension`|
- +--------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pack expansion of using declaration is a C++17 extension`|
- +-----------------------------------------------------------------------------------------------+
- -Wc++1y-extensions
- ------------------
- Synonym for `-Wc++14-extensions`_.
- -Wc++1z-compat
- --------------
- Synonym for `-Wc++17-compat`_.
- -Wc++1z-compat-mangling
- -----------------------
- Synonym for `-Wc++17-compat-mangling`_.
- -Wc++1z-extensions
- ------------------
- Synonym for `-Wc++17-extensions`_.
- -Wc++2a-compat
- --------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is a keyword in C++2a`|
- +-------------------------------------------------------------------------------------------+
- -Wc++2a-compat-pedantic
- -----------------------
- Synonym for `-Wc++2a-compat`_.
- -Wc++2a-extensions
- ------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default member initializer for bit-field is a C++2a extension`|
- +----------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit capture of 'this' with a capture default of '=' is a C++2a extension`|
- +--------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension`|
- +--------------------------------------------------------------------------------------------------------------------------+
- -Wc++98-c++11-c++14-c++17-compat
- --------------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default member initializer for bit-field is incompatible with C++ standards before C++2a`|
- +-------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit capture of 'this' with a capture default of '=' is incompatible with C++ standards before C++2a`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- -Wc++98-c++11-c++14-c++17-compat-pedantic
- -----------------------------------------
- Also controls `-Wc++98-c++11-c++14-c++17-compat`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is incompatible with C++ standards before C++2a`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wc++98-c++11-c++14-compat
- --------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`constexpr if is incompatible with C++ standards before C++17`|
- +---------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`constexpr on lambda expressions is incompatible with C++ standards before C++17`|
- +----------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`decomposition declarations are incompatible with C++ standards before C++17`|
- +------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pack fold expression is incompatible with C++ standards before C++17`|
- +-----------------------------------------------------------------------------------------------------------+
- +---------------------------+--------------------+----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+------------------+| |nbsp| :diagtext:`initialization statements are incompatible with C++ standards before C++17`|
- | ||:diagtext:`if` || |
- | |+------------------+| |
- | ||:diagtext:`switch`|| |
- | |+------------------+| |
- +---------------------------+--------------------+----------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inline variables are incompatible with C++ standards before C++17`|
- +--------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`nested namespace definition is incompatible with C++ standards before C++17`|
- +------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`by value capture of '\*this' is incompatible with C++ standards before C++17`|
- +-------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static\_assert with no message is incompatible with C++ standards before C++17`|
- +---------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-type template parameters declared with` |nbsp| :placeholder:`A` |nbsp| :diagtext:`are incompatible with C++ standards before C++17`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`template template parameter using 'typename' is incompatible with C++ standards before C++17`|
- +-----------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unicode literals are incompatible with C++ standards before C++17`|
- +--------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default scope specifier for attributes is incompatible with C++ standards before C++17`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of multiple declarators in a single using declaration is incompatible with C++ standards before C++17`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pack expansion using declaration is incompatible with C++ standards before C++17`|
- +-----------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'begin' and 'end' returning different types (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is incompatible with C++ standards before C++17`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wc++98-c++11-c++14-compat-pedantic
- -----------------------------------
- Also controls `-Wc++98-c++11-c++14-compat`_.
- **Diagnostic text:**
- +------------------------------------------------------------+---------------------------+--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attributes on` |nbsp| |+-------------------------+| |nbsp| :diagtext:`declaration are incompatible with C++ standards before C++17`|
- | ||:diagtext:`a namespace` || |
- | |+-------------------------+| |
- | ||:diagtext:`an enumerator`|| |
- | |+-------------------------+| |
- +------------------------------------------------------------+---------------------------+--------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are incompatible with C++ standards before C++17`|
- +---------------------------------------------------------------------------------------------------------------------+
- -Wc++98-c++11-compat
- --------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------+-------------------------+-------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of this statement in a constexpr` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is incompatible with C++ standards before C++14`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +-----------------------------------------------------------------------------------+-------------------------+-------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multiple return statements in constexpr function is incompatible with C++ standards before C++14`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`constexpr function with no return statements is incompatible with C++ standards before C++14`|
- +-----------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------+-------------------------+-------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable declaration in a constexpr` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is incompatible with C++ standards before C++14`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +----------------------------------------------------------------------------------+-------------------------+-------------------------------------------------------------------+
- +-----------------------------------------------------------------------------+-------------------------+-------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type definition in a constexpr` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is incompatible with C++ standards before C++14`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +-----------------------------------------------------------------------------+-------------------------+-------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'decltype(auto)' type specifier is incompatible with C++ standards before C++14`|
- +----------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`digit separators are incompatible with C++ standards before C++14`|
- +--------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initialized lambda captures are incompatible with C++ standards before C++14`|
- +-------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable templates are incompatible with C++ standards before C++14`|
- +----------------------------------------------------------------------------------------------------------+
- -Wc++98-c++11-compat-binary-literal
- -----------------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`binary integer literals are incompatible with C++ standards before C++14`|
- +---------------------------------------------------------------------------------------------------------------+
- -Wc++98-c++11-compat-pedantic
- -----------------------------
- Controls `-Wc++98-c++11-compat`_, `-Wc++98-c++11-compat-binary-literal`_.
- -Wc++98-compat
- --------------
- Also controls `-Wc++98-c++11-c++14-c++17-compat`_, `-Wc++98-c++11-c++14-compat`_, `-Wc++98-c++11-compat`_, `-Wc++98-compat-local-type-template-args`_, `-Wc++98-compat-unnamed-type-template-args`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`alias declarations are incompatible with C++98`|
- +-------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'alignas' is incompatible with C++98`|
- +---------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`alignof expressions are incompatible with C++98`|
- +--------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C++11 attribute syntax is incompatible with C++98`|
- +----------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'auto' type specifier is incompatible with C++98`|
- +---------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'constexpr' specifier is incompatible with C++98`|
- +---------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`constructor call from initializer list is incompatible with C++98`|
- +--------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'decltype' type specifier is incompatible with C++98`|
- +-------------------------------------------------------------------------------------------+
- +---------------------------+-----------------------+--------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+---------------------+| |nbsp| :diagtext:`function definitions are incompatible with C++98`|
- | ||:diagtext:`defaulted`|| |
- | |+---------------------+| |
- | ||:diagtext:`deleted` || |
- | |+---------------------+| |
- +---------------------------+-----------------------+--------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`delegating constructors are incompatible with C++98`|
- +------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`scalar initialized from empty initializer list is incompatible with C++98`|
- +----------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumeration types with a fixed underlying type are incompatible with C++98`|
- +-----------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`befriending enumeration type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is incompatible with C++98`|
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumeration type in nested name specifier is incompatible with C++98`|
- +-----------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit conversion functions are incompatible with C++98`|
- +------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`range-based for loop is incompatible with C++98`|
- +--------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`friend declaration naming a member of the declaring class is incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`generalized initializer lists are incompatible with C++98`|
- +------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`jump from this goto statement to its label is incompatible with C++98`|
- +------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`jump from this indirect goto statement to one of its possible targets is incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initialization of initializer\_list object is incompatible with C++98`|
- +------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inline namespaces are incompatible with C++98`|
- +------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`lambda expressions are incompatible with C++98`|
- +-------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'<::' is treated as digraph '<:' (aka '\[') followed by ':' in C++98`|
- +-----------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`literal operators are incompatible with C++98`|
- +------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`universal character name referring to a control character is incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`specifying character '`:placeholder:`A`:diagtext:`' with a universal character name is incompatible with C++98`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`noexcept specifications are incompatible with C++98`|
- +------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`noexcept expressions are incompatible with C++98`|
- +---------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of non-static data member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in an unevaluated context is incompatible with C++98`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-class friend type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is incompatible with C++98`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`in-class initialization of non-static data members is incompatible with C++98`|
- +--------------------------------------------------------------------------------------------------------------------+
- +---------------------------+------------------------------+------------------------------------------------------------------------------------------------+--------------------------------------+----------------------------------------------+
- |:warning:`warning:` |nbsp| |+----------------------------+| |nbsp| :diagtext:`member` |nbsp| :placeholder:`B` |nbsp| :diagtext:`with a non-trivial` |nbsp| |+------------------------------------+| |nbsp| :diagtext:`is incompatible with C++98`|
- | ||:diagtext:`anonymous struct`|| ||:diagtext:`constructor` || |
- | |+----------------------------+| |+------------------------------------+| |
- | ||:diagtext:`union` || ||:diagtext:`copy constructor` || |
- | |+----------------------------+| |+------------------------------------+| |
- | | | ||:diagtext:`move constructor` || |
- | | | |+------------------------------------+| |
- | | | ||:diagtext:`copy assignment operator`|| |
- | | | |+------------------------------------+| |
- | | | ||:diagtext:`move assignment operator`|| |
- | | | |+------------------------------------+| |
- | | | ||:diagtext:`destructor` || |
- | | | |+------------------------------------+| |
- +---------------------------+------------------------------+------------------------------------------------------------------------------------------------+--------------------------------------+----------------------------------------------+
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'nullptr' is incompatible with C++98`|
- +---------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' keyword is incompatible with C++98`|
- +--------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`passing object of trivial but non-POD type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`through variadic` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is incompatible with C++98`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`block` || |
- | |+-----------------------+| |
- | ||:diagtext:`method` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`raw string literals are incompatible with C++98`|
- +--------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reference qualifiers on functions are incompatible with C++98`|
- +----------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reference initialized from initializer list is incompatible with C++98`|
- +-------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`rvalue references are incompatible with C++98`|
- +------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`scoped enumerations are incompatible with C++98`|
- +--------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`substitution failure due to access control is incompatible with C++98`|
- +------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static\_assert declarations are incompatible with C++98`|
- +----------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static data member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in union is incompatible with C++98`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`jump from switch statement to this case label is incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redundant parentheses surrounding address non-type template argument are incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of null pointer as non-type template argument is incompatible with C++98`|
- +-------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+----------------------+--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-type template argument referring to` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`with internal linkage is incompatible with C++98`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`object` || |
- | |+--------------------+| |
- +--------------------------------------------------------------------------------------+----------------------+--------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of 'template' keyword outside of a template is incompatible with C++98`|
- +-----------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default template arguments for a function template are incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------------------+
- +---------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`specialization of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`outside namespace` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is incompatible with C++98`|
- | ||:diagtext:`class template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`class template partial` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`variable template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`variable template partial`|| |
- | |+-------------------------------------+| |
- | ||:diagtext:`function template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member function` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`static data member` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member class` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member enumeration` || |
- | |+-------------------------------------+| |
- +---------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`trailing return types are incompatible with C++98`|
- +----------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`consecutive right angle brackets are incompatible with C++98 (use '> >')`|
- +---------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of 'typename' outside of a template is incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+-----------------------+------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`befriending` |nbsp| :placeholder:`B` |nbsp| :diagtext:`without '`|+---------------------+|:diagtext:`' keyword is incompatible with C++98`|
- | ||:diagtext:`struct` || |
- | |+---------------------+| |
- | ||:diagtext:`interface`|| |
- | |+---------------------+| |
- | ||:diagtext:`union` || |
- | |+---------------------+| |
- | ||:diagtext:`class` || |
- | |+---------------------+| |
- | ||:diagtext:`enum` || |
- | |+---------------------+| |
- +-------------------------------------------------------------------------------------------------------+-----------------------+------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using this character in an identifier is incompatible with C++98`|
- +-------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unicode literals are incompatible with C++98`|
- +-----------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' type specifier is incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inheriting constructors are incompatible with C++98`|
- +------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variadic templates are incompatible with C++98`|
- +-------------------------------------------------------------------------------------+
- -Wc++98-compat-bind-to-temporary-copy
- -------------------------------------
- **Diagnostic text:**
- +---------------------------+-----------------------------------------+----------------------------------------------------------------------------------------------------------------------------+------------------------------------------------+----------------------------+
- |:warning:`warning:` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`when binding a reference to a temporary would` |nbsp| |+----------------------------------------------+| |nbsp| :diagtext:`in C++98`|
- | ||:diagtext:`copying variable` || ||:diagtext:`invoke an inaccessible constructor`|| |
- | |+---------------------------------------+| |+----------------------------------------------+| |
- | ||:diagtext:`copying parameter` || ||:diagtext:`find no viable constructor` || |
- | |+---------------------------------------+| |+----------------------------------------------+| |
- | ||:diagtext:`returning object` || ||:diagtext:`find ambiguous constructors` || |
- | |+---------------------------------------+| |+----------------------------------------------+| |
- | ||:diagtext:`throwing object` || ||:diagtext:`invoke a deleted constructor` || |
- | |+---------------------------------------+| |+----------------------------------------------+| |
- | ||:diagtext:`copying member subobject` || | | |
- | |+---------------------------------------+| | | |
- | ||:diagtext:`copying array element` || | | |
- | |+---------------------------------------+| | | |
- | ||:diagtext:`allocating object` || | | |
- | |+---------------------------------------+| | | |
- | ||:diagtext:`copying temporary` || | | |
- | |+---------------------------------------+| | | |
- | ||:diagtext:`initializing base subobject`|| | | |
- | |+---------------------------------------+| | | |
- | ||:diagtext:`initializing vector element`|| | | |
- | |+---------------------------------------+| | | |
- +---------------------------+-----------------------------------------+----------------------------------------------------------------------------------------------------------------------------+------------------------------------------------+----------------------------+
- -Wc++98-compat-local-type-template-args
- ---------------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`local type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`as template argument is incompatible with C++98`|
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- -Wc++98-compat-pedantic
- -----------------------
- Also controls `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_, `-Wc++98-compat`_, `-Wc++98-compat-bind-to-temporary-copy`_.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from array size expression of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| |+-----------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is incompatible with C++98`|
- | ||:diagtext:`integral` || |
- | |+-----------------------+| |
- | ||:diagtext:`enumeration`|| |
- | |+-----------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast between pointer-to-function and pointer-to-object is incompatible with C++98`|
- +------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`empty macro arguments are incompatible with C++98`|
- +----------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`commas at the end of enumerator lists are incompatible with C++98`|
- +--------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extern templates are incompatible with C++98`|
- +-----------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'long long' is incompatible with C++98`|
- +-----------------------------------------------------------------------------+
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C++98 requires newline at end of file`|
- +----------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#line number greater than 32767 is incompatible with C++98`|
- +-------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra ';' outside of a function is incompatible with C++98`|
- +-------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variadic macros are incompatible with C++98`|
- +----------------------------------------------------------------------------------+
- -Wc++98-compat-unnamed-type-template-args
- -----------------------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unnamed type as template argument is incompatible with C++98`|
- +---------------------------------------------------------------------------------------------------+
- -Wc11-extensions
- ----------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`anonymous unions are a C11 extension`|
- +---------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a C11-specific feature`|
- +----------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`anonymous structs are a C11 extension`|
- +----------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`generic selections are a C11-specific feature`|
- +------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_Noreturn functions are a C11-specific feature`|
- +--------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_Static\_assert is a C11-specific feature`|
- +---------------------------------------------------------------------------------+
- -Wc99-compat
- ------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +---------------------------+--------------------------------------------------------+--------------------------------------------+
- |:warning:`warning:` |nbsp| |+------------------------------------------------------+| |nbsp| :diagtext:`is incompatible with C99`|
- | ||:diagtext:`using this character in an identifier` || |
- | |+------------------------------------------------------+| |
- | ||:diagtext:`starting an identifier with this character`|| |
- | |+------------------------------------------------------+| |
- +---------------------------+--------------------------------------------------------+--------------------------------------------+
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unicode literals are incompatible with C99`|
- +---------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+----------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`in C99 onwards`|
- | ||:diagtext:`have type 'long long'`|| |
- | |+---------------------------------+| |
- | ||:diagtext:`be ill-formed` || |
- | |+---------------------------------+| |
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+----------------------------------+
- -Wc99-extensions
- ----------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initializer for aggregate is not a compile-time constant`|
- +-----------------------------------------------------------------------------------------------+
- +---------------------------+----------------------------------+------------------------------+-----------------------+----------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------+|:diagtext:`array size` |nbsp| |+---------------------+|:diagtext:`is a C99 feature`|
- | ||:diagtext:`qualifier in` |nbsp| || || || |
- | |+--------------------------------+| |+---------------------+| |
- | ||:diagtext:`static` |nbsp| || || || |
- | |+--------------------------------+| |+---------------------+| |
- | || || ||:diagtext:`'\[\*\] '`|| |
- | |+--------------------------------+| |+---------------------+| |
- +---------------------------+----------------------------------+------------------------------+-----------------------+----------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`compound literals are a C99-specific feature`|
- +-----------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flexible array members are a C99 feature`|
- +-------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable declaration in for loop is a C99-specific feature`|
- +-------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C99 requires whitespace after the macro name`|
- +---------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`designated initializers are a C99 feature`|
- +--------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`empty macro arguments are a C99 feature`|
- +------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`commas at the end of enumerator lists are a C99-specific feature`|
- +-------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating constants are a C99 feature`|
- +---------------------------------------------------------------------------------------+
- -Wcast-align
- ------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`increases required alignment from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wcast-calling-convention
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast between incompatible calling conventions '`:placeholder:`A`:diagtext:`' and '`:placeholder:`B`:diagtext:`'; calls through this pointer may abort at runtime`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wcast-of-sel-type
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is deprecated; use sel\_getName instead`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wcast-qual
- -----------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`drops` |nbsp| |+-----------------------------------------+|
- | ||:diagtext:`const and volatile qualifiers`||
- | |+-----------------------------------------+|
- | ||:diagtext:`const qualifier` ||
- | |+-----------------------------------------+|
- | ||:diagtext:`volatile qualifier` ||
- | |+-----------------------------------------+|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`must have all intermediate pointers const qualified to be safe`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wchar-align
- ------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wchar-subscripts
- -----------------
- **Diagnostic text:**
- +------------------------------------------------------------+-------------------------+-------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`array section` |nbsp| |+-----------------------+| |nbsp| :diagtext:`is of type 'char'`|
- | ||:diagtext:`lower bound`|| |
- | |+-----------------------+| |
- | ||:diagtext:`length` || |
- | |+-----------------------+| |
- +------------------------------------------------------------+-------------------------+-------------------------------------+
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`array subscript is of type 'char'`|
- +------------------------------------------------------------------------+
- -Wclang-cl-pch
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`support for '/Yc' with more than one source file not implemented yet; flag ignored`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`support for '/Yc' and '/Yu' with different filenames not implemented yet; flags ignored`|
- +------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`support for '`:placeholder:`A`:diagtext:`' without a filename not implemented yet; flag ignored`|
- +--------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`support for '`:placeholder:`A`:diagtext:`' without a corresponding /FI flag not implemented yet; flag ignored`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wclass-varargs
- ---------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wnon-pod-varargs`_.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`passing object of class type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`through variadic` |nbsp| |+-----------------------+|+--------------------------------------------------------------------+|
- | ||:diagtext:`function` ||| ||
- | |+-----------------------+|+--------------------------------------------------------------------+|
- | ||:diagtext:`block` |||+------------------------------------------------------------------+||
- | |+-----------------------+|||:diagtext:`; did you mean to call '`:placeholder:`D`:diagtext:`'?`|||
- | ||:diagtext:`method` |||+------------------------------------------------------------------+||
- | |+-----------------------+|+--------------------------------------------------------------------+|
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------+
- -Wcomma
- -------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`possible misuse of comma operator here`|
- +-----------------------------------------------------------------------------+
- -Wcomment
- ---------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`escaped newline between \*/ characters at block comment end`|
- +--------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`// comments are not allowed in this language`|
- +-----------------------------------------------------------------------------------+
- +------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multi-line // comment`|
- +------------------------------------------------------------+
- +-----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'/\*' within block comment`|
- +-----------------------------------------------------------------+
- -Wcomments
- ----------
- Synonym for `-Wcomment`_.
- -Wcompare-distinct-pointer-types
- --------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of distinct pointer types`|
- +---------------------------------------------------------------------------+
- -Wcomplex-component-init
- ------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`complex initialization specifying real and imaginary components is an extension`|
- +----------------------------------------------------------------------------------------------------------------------+
- -Wconditional-type-mismatch
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pointer/integer type mismatch in conditional expression`|
- +----------------------------------------------------------------------------------------------+
- -Wconditional-uninitialized
- ---------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------+-------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`may be uninitialized when` |nbsp| |+-----------------------------+|
- | ||:diagtext:`used here` ||
- | |+-----------------------------+|
- | ||:diagtext:`captured by block`||
- | |+-----------------------------+|
- +----------------------------------------------------------------------------------------------------------------------------+-------------------------------+
- -Wconfig-macros
- ---------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------------------+---------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+----------------------+| |nbsp| :diagtext:`of configuration macro '`:placeholder:`B`:diagtext:`' has no effect on the import of '`:placeholder:`C`:diagtext:`'; pass '`|+------------------------------------------------+|:diagtext:`' on the command line to configure the module`|
- | ||:diagtext:`definition`|| ||+----------------------------------------------+|| |
- | |+----------------------+| |||:diagtext:`-D`:placeholder:`B`:diagtext:`=...`||| |
- | ||:diagtext:`#undef` || ||+----------------------------------------------+|| |
- | |+----------------------+| |+------------------------------------------------+| |
- | | | ||+------------------------------+ || |
- | | | |||:diagtext:`-U`:placeholder:`B`| || |
- | | | ||+------------------------------+ || |
- | | | |+------------------------------------------------+| |
- +---------------------------+------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------------------+---------------------------------------------------------+
- -Wconstant-conversion
- ---------------------
- This diagnostic is enabled by default.
- Also controls `-Wbitfield-constant-conversion`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D` |nbsp| :diagtext:`changes value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wconstant-logical-operand
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of logical '`:placeholder:`A`:diagtext:`' with constant operand`|
- +----------------------------------------------------------------------------------------------------------+
- -Wconstexpr-not-const
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'constexpr' non-static member function will not be implicitly 'const' in C++14; add 'const' to avoid a change in behavior`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wconsumed
- ----------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`consumed analysis attribute is attached to member of class '`:placeholder:`A`:diagtext:`' which isn't marked as consumable`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`state of variable '`:placeholder:`A`:diagtext:`' must match at the entry and exit of loop`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parameter '`:placeholder:`A`:diagtext:`' not in expected state when the function returns: expected '`:placeholder:`B`:diagtext:`', observed '`:placeholder:`C`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`argument not in expected state; expected '`:placeholder:`A`:diagtext:`', observed '`:placeholder:`B`:diagtext:`'`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`return state set for an unconsumable type '`:placeholder:`A`:diagtext:`'`|
- +---------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`return value not in expected state; expected '`:placeholder:`A`:diagtext:`', observed '`:placeholder:`B`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid invocation of method '`:placeholder:`A`:diagtext:`' on object '`:placeholder:`B`:diagtext:`' while it is in the '`:placeholder:`C`:diagtext:`' state`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid invocation of method '`:placeholder:`A`:diagtext:`' on a temporary object while it is in the '`:placeholder:`B`:diagtext:`' state`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wconversion
- ------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wbitfield-enum-conversion`_, `-Wbool-conversion`_, `-Wconstant-conversion`_, `-Wenum-conversion`_, `-Wfloat-conversion`_, `-Wint-conversion`_, `-Wliteral-conversion`_, `-Wnon-literal-null-conversion`_, `-Wnull-conversion`_, `-Wobjc-literal-conversion`_, `-Wshorten-64-to-32`_, `-Wsign-conversion`_, `-Wstring-conversion`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion discards imaginary component:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion loses floating-point precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion loses integer precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion turns vector to scalar:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-type template argument with value '`:placeholder:`A`:diagtext:`' converted to '`:placeholder:`B`:diagtext:`' for unsigned template parameter of type` |nbsp| :placeholder:`C`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-type template argument value '`:placeholder:`A`:diagtext:`' truncated to '`:placeholder:`B`:diagtext:`' for template parameter of type` |nbsp| :placeholder:`C`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wconversion-null
- -----------------
- Synonym for `-Wnull-conversion`_.
- -Wcoroutine
- -----------
- Synonym for `-Wcoroutine-missing-unhandled-exception`_.
- -Wcoroutine-missing-unhandled-exception
- ---------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is required to declare the member 'unhandled\_exception()' when exceptions are enabled`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wcovered-switch-default
- ------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default label in switch which covers all enumeration values`|
- +--------------------------------------------------------------------------------------------------+
- -Wcpp
- -----
- Synonym for `-W#warnings`_.
- -Wcstring-format-directive
- --------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------+----------------------+--------------------------------------------------------------------------------------------+------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using` |nbsp| :placeholder:`A` |nbsp| :diagtext:`directive in` |nbsp| |+--------------------+| |nbsp| :diagtext:`which is being passed as a formatting argument to the formatting` |nbsp| |+----------------------+|
- | ||:diagtext:`NSString`|| ||:diagtext:`method` ||
- | |+--------------------+| |+----------------------+|
- | ||:diagtext:`CFString`|| ||:diagtext:`CFfunction`||
- | |+--------------------+| |+----------------------+|
- +------------------------------------------------------------------------------------------------------------+----------------------+--------------------------------------------------------------------------------------------+------------------------+
- -Wctor-dtor-privacy
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wcuda-compat
- -------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute parameter` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is negative and will be ignored`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`nvcc does not allow '\_\_`:placeholder:`A`:diagtext:`\_\_' to appear after '()' in lambdas`|
- +---------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignored 'inline' attribute on kernel function` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`kernel function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a member function; this may not be accepted by nvcc`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`argument to '#pragma unroll' should not be in parentheses in CUDA C/C++`|
- +--------------------------------------------------------------------------------------------------------------+
- -Wcustom-atomic-properties
- --------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+--------------------+----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`atomic by default property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has a user defined` |nbsp| |+------------------+| |nbsp| :diagtext:`(property should be marked 'atomic' if this is intended)`|
- | ||:diagtext:`getter`|| |
- | |+------------------+| |
- | ||:diagtext:`setter`|| |
- | |+------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------+--------------------+----------------------------------------------------------------------------+
- -Wdangling-else
- ---------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`add explicit braces to avoid dangling else`|
- +---------------------------------------------------------------------------------+
- -Wdangling-field
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`binding reference member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to stack allocated parameter` |nbsp| :placeholder:`B`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------+----------------------------------+----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`binding reference` |nbsp| |+--------------------------------+|:diagtext:`member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to a temporary value`|
- | || || |
- | |+--------------------------------+| |
- | ||:diagtext:`subobject of` |nbsp| || |
- | |+--------------------------------+| |
- +----------------------------------------------------------------+----------------------------------+----------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initializing pointer member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with the stack address of parameter` |nbsp| :placeholder:`B`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wdangling-initializer-list
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------+---------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`array backing the initializer list will be destroyed at the end of` |nbsp| |+-------------------------------+|
- | ||:diagtext:`the full-expression`||
- | |+-------------------------------+|
- | ||:diagtext:`the constructor` ||
- | |+-------------------------------+|
- +-----------------------------------------------------------------------------------------------------------------+---------------------------------+
- -Wdate-time
- -----------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expansion of date or time macro is not reproducible`|
- +------------------------------------------------------------------------------------------+
- -Wdealloc-in-category
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`-dealloc is being overridden in a category`|
- +---------------------------------------------------------------------------------+
- -Wdebug-compression-unavailable
- -------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cannot compress debug sections (zlib not installed)`|
- +------------------------------------------------------------------------------------------+
- -Wdeclaration-after-statement
- -----------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C90 forbids mixing declarations and code`|
- +-----------------------------------------------------------------------------------+
- -Wdelegating-ctor-cycles
- ------------------------
- This diagnostic is an error by default, but the flag ``-Wno-delegating-ctor-cycles`` can be used to disable the error.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`constructor for` |nbsp| :placeholder:`A` |nbsp| :diagtext:`creates a delegation cycle`|
- +------------------------------------------------------------------------------------------------------------------------+
- -Wdelete-incomplete
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cannot delete expression with pointer-to-'void' type` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`deleting pointer to incomplete type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`may cause undefined behavior`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wdelete-non-virtual-dtor
- -------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +---------------------------+------------------------+------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+----------------------+| |nbsp| :diagtext:`called on` |nbsp| :placeholder:`B` |nbsp| :diagtext:`that is abstract but has non-virtual destructor`|
- | ||:diagtext:`delete` || |
- | |+----------------------+| |
- | ||:diagtext:`destructor`|| |
- | |+----------------------+| |
- +---------------------------+------------------------+------------------------------------------------------------------------------------------------------------------------+
- +---------------------------+------------------------+----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+----------------------+| |nbsp| :diagtext:`called on non-final` |nbsp| :placeholder:`B` |nbsp| :diagtext:`that has virtual functions but non-virtual destructor`|
- | ||:diagtext:`delete` || |
- | |+----------------------+| |
- | ||:diagtext:`destructor`|| |
- | |+----------------------+| |
- +---------------------------+------------------------+----------------------------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated
- ------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wdeprecated-attributes`_, `-Wdeprecated-declarations`_, `-Wdeprecated-dynamic-exception-spec`_, `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_, `-Wdeprecated-writable-strings`_.
- **Diagnostic text:**
- +---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`-O4 is equivalent to -O3`|
- +---------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`access declarations are deprecated; use using declarations instead`|
- +---------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------+---------------------------------+-----------------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`definition of implicit copy` |nbsp| |+-------------------------------+| |nbsp| :diagtext:`for` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is deprecated because it has a user-declared` |nbsp| |+------------------------------------------------------------+|
- | ||:diagtext:`constructor` || ||+------------------------+---------------------------------+||
- | |+-------------------------------+| |||:diagtext:`copy` |nbsp| |+-------------------------------+|||
- | ||:diagtext:`assignment operator`|| ||| ||:diagtext:`assignment operator`||||
- | |+-------------------------------+| ||| |+-------------------------------+|||
- | | | ||| ||:diagtext:`constructor` ||||
- | | | ||| |+-------------------------------+|||
- | | | ||+------------------------+---------------------------------+||
- | | | |+------------------------------------------------------------+|
- | | | ||:diagtext:`destructor` ||
- | | | |+------------------------------------------------------------+|
- +--------------------------------------------------------------------------+---------------------------------+-----------------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`out-of-line definition of constexpr static data member is redundant in C++17 and is deprecated`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`argument '`:placeholder:`A`:diagtext:`' is deprecated, use '`:placeholder:`B`:diagtext:`' instead`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`treating '`:placeholder:`A`:diagtext:`' input as '`:placeholder:`B`:diagtext:`' when in C++ mode, this behavior is deprecated`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`OpenCL version` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not support the option '`:placeholder:`B`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`Use of 'long' with '\_\_vector' is deprecated`|
- +------------------------------------------------------------------------------------+
- -Wdeprecated-attributes
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`specifying vector types with the 'mode' attribute is deprecated; use the 'vector\_size' attribute instead`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated-declarations
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`specifying 'uuid' as an ATL attribute is deprecated; use \_\_declspec instead`|
- +--------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of C-style parameters in Objective-C method declarations is deprecated`|
- +-----------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is deprecated`|
- +----------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`may be deprecated because the receiver type is unknown`|
- +---------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is deprecated:` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property access is using` |nbsp| :placeholder:`A` |nbsp| :diagtext:`method which is deprecated`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated-dynamic-exception-spec
- -----------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`dynamic exception specifications are deprecated`|
- +--------------------------------------------------------------------------------------+
- -Wdeprecated-implementations
- ----------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------+----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implementing deprecated` |nbsp| |+--------------------+|
- | ||:diagtext:`method` ||
- | |+--------------------+|
- | ||:diagtext:`class` ||
- | |+--------------------+|
- | ||:diagtext:`category`||
- | |+--------------------+|
- +----------------------------------------------------------------------+----------------------+
- +----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implementing unavailable method`|
- +----------------------------------------------------------------------+
- -Wdeprecated-increment-bool
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incrementing expression of type bool is deprecated and incompatible with C++17`|
- +---------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated-objc-isa-usage
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`assignment to Objective-C's isa is deprecated in favor of object\_setClass()`|
- +-------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`direct access to Objective-C's isa is deprecated in favor of object\_getClass()`|
- +----------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated-objc-pointer-introspection
- ---------------------------------------
- This diagnostic is enabled by default.
- Also controls `-Wdeprecated-objc-pointer-introspection-performSelector`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`bitmasking for introspection of Objective-C object pointers is strongly discouraged`|
- +--------------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated-objc-pointer-introspection-performSelector
- -------------------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`bitmasking for introspection of Objective-C object pointers is strongly discouraged`|
- +--------------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated-register
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'register' storage class specifier is deprecated and incompatible with C++17`|
- +-------------------------------------------------------------------------------------------------------------------+
- -Wdeprecated-writable-strings
- -----------------------------
- Synonym for `-Wc++11-compat-deprecated-writable-strings`_.
- -Wdirect-ivar-access
- --------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`instance variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is being directly accessed`|
- +------------------------------------------------------------------------------------------------------------------------------+
- -Wdisabled-macro-expansion
- --------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`disabled expansion of recursive macro`|
- +----------------------------------------------------------------------------+
- -Wdisabled-optimization
- -----------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wdiscard-qual
- --------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wdistributed-object-modifiers
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting distributed object modifiers on parameter type in implementation of` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting distributed object modifiers on return type in implementation of` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wdiv-by-zero
- -------------
- Synonym for `-Wdivision-by-zero`_.
- -Wdivision-by-zero
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+-----------------------+----------------------------------------+
- |:warning:`warning:` |nbsp| |+---------------------+| |nbsp| :diagtext:`by zero is undefined`|
- | ||:diagtext:`remainder`|| |
- | |+---------------------+| |
- | ||:diagtext:`division` || |
- | |+---------------------+| |
- +---------------------------+-----------------------+----------------------------------------+
- -Wdll-attribute-on-redeclaration
- --------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redeclaration of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`should not add` |nbsp| :placeholder:`B` |nbsp| :diagtext:`attribute`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wdllexport-explicit-instantiation-decl
- ---------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit instantiation declaration should not be 'dllexport'`|
- +---------------------------------------------------------------------------------------------------+
- -Wdllimport-static-field-def
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`definition of dllimport static field`|
- +---------------------------------------------------------------------------+
- -Wdocumentation
- ---------------
- Also controls `-Wdocumentation-deprecated-sync`_, `-Wdocumentation-html`_.
- **Diagnostic text:**
- +----------------------------------------+----------------+-----------------------+------------------------------------------------------------------------+-----------------------+-------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|+---------------------+|:diagtext:`' command should not be used in a comment attached to a non-`|+---------------------+| |nbsp| :diagtext:`declaration`|
- | ||:diagtext:`\\`|||:diagtext:`class` || ||:diagtext:`class` || |
- | |+--------------+|+---------------------+| |+---------------------+| |
- | ||:diagtext:`@` |||:diagtext:`interface`|| ||:diagtext:`interface`|| |
- | |+--------------+|+---------------------+| |+---------------------+| |
- | | ||:diagtext:`protocol` || ||:diagtext:`protocol` || |
- | | |+---------------------+| |+---------------------+| |
- | | ||:diagtext:`struct` || ||:diagtext:`struct` || |
- | | |+---------------------+| |+---------------------+| |
- | | ||:diagtext:`union` || ||:diagtext:`union` || |
- | | |+---------------------+| |+---------------------+| |
- +----------------------------------------+----------------+-----------------------+------------------------------------------------------------------------+-----------------------+-------------------------------+
- +-----------------------------------------------------------+----------------+-----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`duplicated command '`|+--------------+|:placeholder:`B`:diagtext:`'`|
- | ||:diagtext:`\\`|| |
- | |+--------------+| |
- | ||:diagtext:`@` || |
- | |+--------------+| |
- +-----------------------------------------------------------+----------------+-----------------------------+
- +------------------------------------------------------------------+----------------+-------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`empty paragraph passed to '`|+--------------+|:placeholder:`B`:diagtext:`' command`|
- | ||:diagtext:`\\`|| |
- | |+--------------+| |
- | ||:diagtext:`@` || |
- | |+--------------+| |
- +------------------------------------------------------------------+----------------+-------------------------------------+
- +----------------------------------------+----------------+--------------------------+---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|+------------------------+|:diagtext:`' command should not be used in a comment attached to a non-container declaration`|
- | ||:diagtext:`\\`|||:diagtext:`classdesign` || |
- | |+--------------+|+------------------------+| |
- | ||:diagtext:`@` |||:diagtext:`coclass` || |
- | |+--------------+|+------------------------+| |
- | | ||:diagtext:`dependency` || |
- | | |+------------------------+| |
- | | ||:diagtext:`helper` || |
- | | |+------------------------+| |
- | | ||:diagtext:`helperclass` || |
- | | |+------------------------+| |
- | | ||:diagtext:`helps` || |
- | | |+------------------------+| |
- | | ||:diagtext:`instancesize`|| |
- | | |+------------------------+| |
- | | ||:diagtext:`ownership` || |
- | | |+------------------------+| |
- | | ||:diagtext:`performance` || |
- | | |+------------------------+| |
- | | ||:diagtext:`security` || |
- | | |+------------------------+| |
- | | ||:diagtext:`superclass` || |
- | | |+------------------------+| |
- +----------------------------------------+----------------+--------------------------+---------------------------------------------------------------------------------------------+
- +----------------------------------------+----------------+---------------------------+---------------------------------------------------------------------+-----------------------------------+-------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|+-------------------------+|:diagtext:`' command should be used in a comment attached to` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`declaration`|
- | ||:diagtext:`\\`|||:diagtext:`function` || ||:diagtext:`a function` || |
- | |+--------------+|+-------------------------+| |+---------------------------------+| |
- | ||:diagtext:`@` |||:diagtext:`functiongroup`|| ||:diagtext:`a function` || |
- | |+--------------+|+-------------------------+| |+---------------------------------+| |
- | | ||:diagtext:`method` || ||:diagtext:`an Objective-C method`|| |
- | | |+-------------------------+| |+---------------------------------+| |
- | | ||:diagtext:`methodgroup` || ||:diagtext:`an Objective-C method`|| |
- | | |+-------------------------+| |+---------------------------------+| |
- | | ||:diagtext:`callback` || ||:diagtext:`a pointer to function`|| |
- | | |+-------------------------+| |+---------------------------------+| |
- +----------------------------------------+----------------+---------------------------+---------------------------------------------------------------------+-----------------------------------+-------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`HTML start tag prematurely ended, expected attribute name or '>'`|
- +-------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected quoted string after equals sign`|
- +-------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parameter '`:placeholder:`A`:diagtext:`' is already documented`|
- +-----------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unrecognized parameter passing direction, valid directions are '\[in\]', '\[out\]' and '\[in,out\]'`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------+----------------+-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|:diagtext:`param' command used in a comment that is not attached to a function declaration`|
- | ||:diagtext:`\\`|| |
- | |+--------------+| |
- | ||:diagtext:`@` || |
- | |+--------------+| |
- +----------------------------------------+----------------+-------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parameter '`:placeholder:`A`:diagtext:`' not found in the function declaration`|
- +---------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------+----------------+-------------------------------------------------------------------------------------+-------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|:placeholder:`B`:diagtext:`' command used in a comment that is attached to a` |nbsp| |+-----------------------------------+|
- | ||:diagtext:`\\`|| ||:diagtext:`function returning void`||
- | |+--------------+| |+-----------------------------------+|
- | ||:diagtext:`@` || ||:diagtext:`constructor` ||
- | |+--------------+| |+-----------------------------------+|
- | | | ||:diagtext:`destructor` ||
- | | | |+-----------------------------------+|
- | | | ||:diagtext:`method returning void` ||
- | | | |+-----------------------------------+|
- +----------------------------------------+----------------+-------------------------------------------------------------------------------------+-------------------------------------+
- +----------------------------------------+----------------+----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|:placeholder:`B`:diagtext:`' command used in a comment that is not attached to a function or method declaration`|
- | ||:diagtext:`\\`|| |
- | |+--------------+| |
- | ||:diagtext:`@` || |
- | |+--------------+| |
- +----------------------------------------+----------------+----------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`template parameter '`:placeholder:`A`:diagtext:`' is already documented`|
- +--------------------------------------------------------------------------------------------------------------+
- +----------------------------------------+----------------+--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|:diagtext:`tparam' command used in a comment that is not attached to a template declaration`|
- | ||:diagtext:`\\`|| |
- | |+--------------+| |
- | ||:diagtext:`@` || |
- | |+--------------+| |
- +----------------------------------------+----------------+--------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`template parameter '`:placeholder:`A`:diagtext:`' not found in the template declaration`|
- +------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`not a Doxygen trailing comment`|
- +---------------------------------------------------------------------+
- +----------------------------------------+----------------+------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+--------------+|:placeholder:`B`:diagtext:`' command does not terminate a verbatim text block`|
- | ||:diagtext:`\\`|| |
- | |+--------------+| |
- | ||:diagtext:`@` || |
- | |+--------------+| |
- +----------------------------------------+----------------+------------------------------------------------------------------------------+
- -Wdocumentation-deprecated-sync
- -------------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration is marked with '\\deprecated' command but does not have a deprecation attribute`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- -Wdocumentation-html
- --------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`HTML end tag '`:placeholder:`A`:diagtext:`' is forbidden`|
- +-----------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`HTML end tag does not match any start tag`|
- +--------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`HTML tag '`:placeholder:`A`:diagtext:`' requires an end tag`|
- +--------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`HTML start tag '`:placeholder:`A`:diagtext:`' closed by '`:placeholder:`B`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Wdocumentation-pedantic
- ------------------------
- Also controls `-Wdocumentation-unknown-command`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`whitespace is not allowed in parameter passing direction`|
- +-----------------------------------------------------------------------------------------------+
- -Wdocumentation-unknown-command
- -------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown command tag name '`:placeholder:`A`:diagtext:`'; did you mean '`:placeholder:`B`:diagtext:`'?`|
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown command tag name`|
- +---------------------------------------------------------------+
- -Wdollar-in-identifier-extension
- --------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'$' in identifier`|
- +--------------------------------------------------------+
- -Wdouble-promotion
- ------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion increases floating-point precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wduplicate-decl-specifier
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`duplicate '`:placeholder:`A`:diagtext:`' declaration specifier`|
- +-----------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`duplicate '`:placeholder:`A`:diagtext:`' declaration specifier`|
- +-----------------------------------------------------------------------------------------------------+
- -Wduplicate-enum
- ----------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`element` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has been implicitly assigned` |nbsp| :placeholder:`B` |nbsp| :diagtext:`which another element has been assigned`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wduplicate-method-arg
- ----------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redeclaration of method parameter` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------------------------+
- -Wduplicate-method-match
- ------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multiple declarations of method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`found and ignored`|
- +-----------------------------------------------------------------------------------------------------------------------------------+
- -Wduplicate-protocol
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`duplicate protocol definition of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is ignored`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Wdynamic-class-memaccess
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+-------------------------------+------------------------------------------------------------------------------------------------+----------------------------------------+---------------------------------------------------------------------------------------------+-------------------------+
- |:warning:`warning:` |nbsp| |+-----------------------------+| |nbsp| :diagtext:`this` |nbsp| :placeholder:`B` |nbsp| :diagtext:`call is a pointer to` |nbsp| |+--------------------------------------+|:diagtext:`dynamic class` |nbsp| :placeholder:`D`:diagtext:`; vtable pointer will be` |nbsp| |+-----------------------+|
- | ||:diagtext:`destination for` || || || ||:diagtext:`overwritten`||
- | |+-----------------------------+| |+--------------------------------------+| |+-----------------------+|
- | ||:diagtext:`source of` || ||:diagtext:`class containing a` |nbsp| || ||:diagtext:`copied` ||
- | |+-----------------------------+| |+--------------------------------------+| |+-----------------------+|
- | ||:diagtext:`first operand of` || | | ||:diagtext:`moved` ||
- | |+-----------------------------+| | | |+-----------------------+|
- | ||:diagtext:`second operand of`|| | | ||:diagtext:`compared` ||
- | |+-----------------------------+| | | |+-----------------------+|
- +---------------------------+-------------------------------+------------------------------------------------------------------------------------------------+----------------------------------------+---------------------------------------------------------------------------------------------+-------------------------+
- -Wdynamic-exception-spec
- ------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wdeprecated-dynamic-exception-spec`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`ISO C++17 does not allow dynamic exception specifications`|
- +--------------------------------------------------------------------------------------------+
- -Weffc++
- --------
- Synonym for `-Wnon-virtual-dtor`_.
- -Wembedded-directive
- --------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`embedding a directive within macro arguments has undefined behavior`|
- +----------------------------------------------------------------------------------------------------------+
- -Wempty-body
- ------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`for loop has empty body`|
- +--------------------------------------------------------------+
- +------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`if statement has empty body`|
- +------------------------------------------------------------------+
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`range-based for loop has empty body`|
- +--------------------------------------------------------------------------+
- +----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`switch statement has empty body`|
- +----------------------------------------------------------------------+
- +----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`while loop has empty body`|
- +----------------------------------------------------------------+
- -Wempty-decomposition
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++17 does not allow a decomposition group to be empty`|
- +-------------------------------------------------------------------------------------------------+
- -Wempty-translation-unit
- ------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C requires a translation unit to contain at least one declaration`|
- +------------------------------------------------------------------------------------------------------------+
- -Wencode-type
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`encoding of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`type is incomplete because` |nbsp| :placeholder:`B` |nbsp| :diagtext:`component has unknown encoding`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wendif-labels
- --------------
- Synonym for `-Wextra-tokens`_.
- -Wenum-compare
- --------------
- This diagnostic is enabled by default.
- Also controls `-Wenum-compare-switch`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of two values with different enumeration types`|
- +------------------------------------------------------------------------------------------------+
- -Wenum-compare-switch
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of two values with different enumeration types in switch statement`|
- +--------------------------------------------------------------------------------------------------------------------+
- -Wenum-conversion
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from enumeration type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to different enumeration type` |nbsp| :placeholder:`B`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wenum-too-large
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumeration values exceed range of largest integer`|
- +-----------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incremented enumerator value` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not representable in the largest integer type`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wexceptions
- ------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------+-------------------------+--------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cannot refer to a non-static member from the handler of a` |nbsp| |+-----------------------+| |nbsp| :diagtext:`function try block`|
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- | ||:diagtext:`destructor` || |
- | |+-----------------------+| |
- +--------------------------------------------------------------------------------------------------------+-------------------------+--------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`exception of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will be caught by earlier handler`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has a non-throwing exception specification but can still throw`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Wexit-time-destructors
- -----------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration requires an exit-time destructor`|
- +-----------------------------------------------------------------------------------+
- -Wexpansion-to-defined
- ----------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`macro expansion producing 'defined' has undefined behavior`|
- +-------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`macro expansion producing 'defined' has undefined behavior`|
- +-------------------------------------------------------------------------------------------------+
- -Wexplicit-initialize-call
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit call to +initialize results in duplicate call to +initialize`|
- +------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit call to \[super initialize\] should only be in implementation of +initialize`|
- +----------------------------------------------------------------------------------------------------------------------------+
- -Wexplicit-ownership-type
- -------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`method parameter of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with no explicit ownership`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- -Wextended-offsetof
- -------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using extended field designator is an extension`|
- +--------------------------------------------------------------------------------------+
- -Wextern-c-compat
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+---------------------------+--------------------+--------------------------------------------+---------------------------+--------------------------+
- |:warning:`warning:` |nbsp| |+-------------------------+|+------------------+| |nbsp| :diagtext:`has size 0 in C,` |nbsp| |+-------------------------+| |nbsp| :diagtext:`in C++`|
- | || |||:diagtext:`struct`|| ||:diagtext:`size 1` || |
- | |+-------------------------+|+------------------+| |+-------------------------+| |
- | ||:diagtext:`empty` |nbsp| |||:diagtext:`union` || ||:diagtext:`non-zero size`|| |
- | |+-------------------------+|+------------------+| |+-------------------------+| |
- +---------------------------+---------------------------+--------------------+--------------------------------------------+---------------------------+--------------------------+
- -Wextern-initializer
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'extern' variable has an initializer`|
- +---------------------------------------------------------------------------+
- -Wextra
- -------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wignored-qualifiers`_, `-Winitializer-overrides`_, `-Wmissing-field-initializers`_, `-Wmissing-method-return-type`_, `-Wnull-pointer-arithmetic`_, `-Wsemicolon-before-method-body`_, `-Wsign-compare`_, `-Wunused-parameter`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`call to function without interrupt attribute could clobber interruptee's VFP registers`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Wextra-qualification
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra qualification on member` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------+
- -Wextra-semi
- ------------
- Also controls `-Wc++11-extra-semi`_.
- **Diagnostic text:**
- +--------------------------------------------------------+------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra ';'` |nbsp| |+----------------------------------------------+|
- | ||:diagtext:`outside of a function` ||
- | |+----------------------------------------------+|
- | ||+--------------------------------------------+||
- | |||:diagtext:`inside a` |nbsp| :placeholder:`B`|||
- | ||+--------------------------------------------+||
- | |+----------------------------------------------+|
- | ||:diagtext:`inside instance variable list` ||
- | |+----------------------------------------------+|
- | ||:diagtext:`after member function definition` ||
- | |+----------------------------------------------+|
- +--------------------------------------------------------+------------------------------------------------+
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra ';' after member function definition`|
- +---------------------------------------------------------------------------------+
- -Wextra-tokens
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra tokens at end of #`:placeholder:`A` |nbsp| :diagtext:`directive`|
- +------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra tokens at the end of '#pragma omp` |nbsp| :placeholder:`A`:diagtext:`' are ignored`|
- +-------------------------------------------------------------------------------------------------------------------------------+
- -Wfallback
- ----------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`falling back to` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------+
- -Wflag-enum
- -----------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumeration value` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is out of range of flags in enumeration type` |nbsp| :placeholder:`B`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wflexible-array-extensions
- ---------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`may not be used as an array element due to flexible array member`|
- +-------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`may not be nested in a struct due to flexible array member`|
- +-------------------------------------------------------------------------------------------------------------------------+
- -Wfloat-conversion
- ------------------
- Also controls `-Wfloat-overflow-conversion`_, `-Wfloat-zero-conversion`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion turns floating-point number into integer:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wfloat-equal
- -------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparing floating point with == or != is unsafe`|
- +---------------------------------------------------------------------------------------+
- -Wfloat-overflow-conversion
- ---------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion of out of range value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wfloat-zero-conversion
- -----------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes non-zero value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wfor-loop-analysis
- -------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is` |nbsp| |+-----------------------+| |nbsp| :diagtext:`both in the loop header and in the loop body`|
- | ||:diagtext:`decremented`|| |
- | |+-----------------------+| |
- | ||:diagtext:`incremented`|| |
- | |+-----------------------+| |
- +-----------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------+
- +-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable`|+----------------------------------------------------------------------------------------------------------------------------------------------------------+| |nbsp| :diagtext:`used in loop condition not modified in loop body`|
- | ||:diagtext:`s` || |
- | |+----------------------------------------------------------------------------------------------------------------------------------------------------------+| |
- | ||+------------------------+ || |
- | ||| |nbsp| :placeholder:`B`| || |
- | ||+------------------------+ || |
- | |+----------------------------------------------------------------------------------------------------------------------------------------------------------+| |
- | ||+------------------------------------------------------------------------------------+ || |
- | |||:diagtext:`s` |nbsp| :placeholder:`B` |nbsp| :diagtext:`and` |nbsp| :placeholder:`C`| || |
- | ||+------------------------------------------------------------------------------------+ || |
- | |+----------------------------------------------------------------------------------------------------------------------------------------------------------+| |
- | ||+-------------------------------------------------------------------------------------------------------------------+ || |
- | |||:diagtext:`s` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`, and` |nbsp| :placeholder:`D`| || |
- | ||+-------------------------------------------------------------------------------------------------------------------+ || |
- | |+----------------------------------------------------------------------------------------------------------------------------------------------------------+| |
- | ||+--------------------------------------------------------------------------------------------------------------------------------------------------------+|| |
- | |||:diagtext:`s` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`,` |nbsp| :placeholder:`D`:diagtext:`, and` |nbsp| :placeholder:`E`||| |
- | ||+--------------------------------------------------------------------------------------------------------------------------------------------------------+|| |
- | |+----------------------------------------------------------------------------------------------------------------------------------------------------------+| |
- +-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------------------------------------+
- -Wformat
- --------
- This diagnostic is enabled by default.
- Also controls `-Wformat-extra-args`_, `-Wformat-invalid-specifier`_, `-Wformat-security`_, `-Wformat-y2k`_, `-Wformat-zero-length`_, `-Wnonnull`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using '%%P' format specifier without precision`|
- +-------------------------------------------------------------------------------------+
- +---------------------------+----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------------------+| |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' should not be used as format arguments; add an explicit cast to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`instead`|
- | ||:diagtext:`values of type` || |
- | |+--------------------------------------------+| |
- | ||:diagtext:`enum values with underlying type`|| |
- | |+--------------------------------------------+| |
- +---------------------------+----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format specifies type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`but the argument has` |nbsp| |+---------------------------+| |nbsp| :placeholder:`B`|
- | ||:diagtext:`type` || |
- | |+---------------------------+| |
- | ||:diagtext:`underlying type`|| |
- | |+---------------------------+| |
- +------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using '`:placeholder:`A`:diagtext:`' format specifier annotation outside of os\_log()/os\_trace()`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------+-----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid position specified for` |nbsp| |+---------------------------+|
- | ||:diagtext:`field width` ||
- | |+---------------------------+|
- | ||:diagtext:`field precision`||
- | |+---------------------------+|
- +-----------------------------------------------------------------------------+-----------------------------+
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cannot mix positional and non-positional arguments in format string`|
- +----------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`length modifier '`:placeholder:`A`:diagtext:`' results in undefined behavior or no effect with '`:placeholder:`B`:diagtext:`' conversion specifier`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format string should not be a wide string`|
- +--------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`position arguments in format strings start counting at 1 (not 0)`|
- +-------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format string missing`|
- +------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`object format flags cannot be used with '`:placeholder:`A`:diagtext:`' conversion specifier`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------+-----------------+-------------------------------------+-----------------------+--------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`|+---------------+|:diagtext:`' specified field` |nbsp| |+---------------------+| |nbsp| :diagtext:`is missing a matching 'int' argument`|
- | ||:diagtext:`\*` || ||:diagtext:`width` || |
- | |+---------------+| |+---------------------+| |
- | ||:diagtext:`.\*`|| ||:diagtext:`precision`|| |
- | |+---------------+| |+---------------------+| |
- +----------------------------------------+-----------------+-------------------------------------+-----------------------+--------------------------------------------------------+
- +----------------------------------------------------+-----------------------+-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`field` |nbsp| |+---------------------+| |nbsp| :diagtext:`should have type` |nbsp| :placeholder:`B`:diagtext:`, but argument has type` |nbsp| :placeholder:`C`|
- | ||:diagtext:`width` || |
- | |+---------------------+| |
- | ||:diagtext:`precision`|| |
- | |+---------------------+| |
- +----------------------------------------------------+-----------------------+-----------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing object format flag`|
- +-----------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format string contains '\\0' within the string body`|
- +------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format string is not null-terminated`|
- +---------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flag '`:placeholder:`A`:diagtext:`' is ignored when flag '`:placeholder:`B`:diagtext:`' is present`|
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incomplete format specifier`|
- +------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`more '%%' conversions than data arguments`|
- +--------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is not a valid object format flag`|
- +-------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flag '`:placeholder:`A`:diagtext:`' results in undefined behavior with '`:placeholder:`B`:diagtext:`' conversion specifier`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------+-------------------------+------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-----------------------+| |nbsp| :diagtext:`used with '`:placeholder:`B`:diagtext:`' conversion specifier, resulting in undefined behavior`|
- | ||:diagtext:`field width`|| |
- | |+-----------------------+| |
- | ||:diagtext:`precision` || |
- | |+-----------------------+| |
- +---------------------------+-------------------------+------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`data argument position '`:placeholder:`A`:diagtext:`' exceeds the number of data arguments (`:placeholder:`B`:diagtext:`)`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`zero field width in scanf format string is unused`|
- +----------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no closing '\]' for '%%\[' in scanf format string`|
- +----------------------------------------------------------------------------------------+
- -Wformat-extra-args
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`data argument not used by format string`|
- +------------------------------------------------------------------------------+
- -Wformat-invalid-specifier
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid conversion specifier '`:placeholder:`A`:diagtext:`'`|
- +--------------------------------------------------------------------------------------------------+
- -Wformat-non-iso
- ----------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------+----------------------------------+---------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`'` |nbsp| |+--------------------------------+| |nbsp| :diagtext:`is not supported by ISO C`|
- | ||:diagtext:`length modifier` || |
- | |+--------------------------------+| |
- | ||:diagtext:`conversion specifier`|| |
- | |+--------------------------------+| |
- +-----------------------------------------------------------------------------+----------------------------------+---------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using length modifier '`:placeholder:`A`:diagtext:`' with conversion specifier '`:placeholder:`B`:diagtext:`' is not supported by ISO C`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`positional arguments are not supported by ISO C`|
- +--------------------------------------------------------------------------------------+
- -Wformat-nonliteral
- -------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format string is not a string literal`|
- +----------------------------------------------------------------------------+
- -Wformat-pedantic
- -----------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format specifies type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`but the argument has` |nbsp| |+---------------------------+| |nbsp| :placeholder:`B`|
- | ||:diagtext:`type` || |
- | |+---------------------------+| |
- | ||:diagtext:`underlying type`|| |
- | |+---------------------------+| |
- +------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
- -Wformat-security
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format string is not a string literal (potentially insecure)`|
- +---------------------------------------------------------------------------------------------------+
- -Wformat-y2k
- ------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wformat-zero-length
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`format string is empty`|
- +-------------------------------------------------------------+
- -Wformat=2
- ----------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wformat-nonliteral`_, `-Wformat-security`_, `-Wformat-y2k`_.
- -Wfour-char-constants
- ---------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multi-character character constant`|
- +-------------------------------------------------------------------------+
- -Wframe-larger-than=
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- +--------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`stack frame size of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`bytes in` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------+
- -Wfunction-def-in-objc-container
- --------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`function definition inside an Objective-C container is deprecated`|
- +--------------------------------------------------------------------------------------------------------+
- -Wfuture-compat
- ---------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wgcc-compat
- ------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'diagnose\_if' is a clang extension`|
- +--------------------------------------------------------------------------+
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'enable\_if' is a clang extension`|
- +------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_\_final is a GNU extension, consider using C++11 final`|
- +-----------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`GCC does not allow` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute in this position on a function definition`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'break' is bound to loop, GCC binds it to switch`|
- +---------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`GCC does not allow the 'cleanup' attribute argument to be anything other than a simple identifier`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`GCC does not allow an attribute in this position on a function declaration`|
- +-----------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is bound to current loop, GCC binds it to the enclosing loop`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- -Wglobal-constructors
- ---------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration requires a global constructor`|
- +--------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration requires a global destructor`|
- +-------------------------------------------------------------------------------+
- -Wgnu
- -----
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wgnu-alignof-expression`_, `-Wgnu-anonymous-struct`_, `-Wgnu-auto-type`_, `-Wgnu-binary-literal`_, `-Wgnu-case-range`_, `-Wgnu-complex-integer`_, `-Wgnu-compound-literal-initializer`_, `-Wgnu-conditional-omitted-operand`_, `-Wgnu-designator`_, `-Wgnu-empty-initializer`_, `-Wgnu-empty-struct`_, `-Wgnu-flexible-array-initializer`_, `-Wgnu-flexible-array-union-member`_, `-Wgnu-folding-constant`_, `-Wgnu-imaginary-constant`_, `-Wgnu-include-next`_, `-Wgnu-label-as-value`_, `-Wgnu-redeclared-enum`_, `-Wgnu-statement-expression`_, `-Wgnu-static-float-init`_, `-Wgnu-string-literal-operator-template`_, `-Wgnu-union-cast`_, `-Wgnu-variable-sized-type-not-at-end`_, `-Wgnu-zero-line-directive`_, `-Wgnu-zero-variadic-macro-arguments`_, `-Wredeclared-class-member`_, `-Wvla-extension`_, `-Wzero-length-array`_.
- -Wgnu-alignof-expression
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`applied to an expression is a GNU extension`|
- +----------------------------------------------------------------------------------------------------------+
- -Wgnu-anonymous-struct
- ----------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`anonymous structs are a GNU extension`|
- +----------------------------------------------------------------------------+
- -Wgnu-array-member-paren-init
- -----------------------------
- This diagnostic is an error by default, but the flag ``-Wno-gnu-array-member-paren-init`` can be used to disable the error.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`parenthesized initialization of a member array is a GNU extension`|
- +----------------------------------------------------------------------------------------------------+
- -Wgnu-auto-type
- ---------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'\_\_auto\_type' is a GNU extension`|
- +--------------------------------------------------------------------------+
- -Wgnu-binary-literal
- --------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`binary integer literals are a GNU extension`|
- +----------------------------------------------------------------------------------+
- -Wgnu-case-range
- ----------------
- **Diagnostic text:**
- +----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU case range extension`|
- +----------------------------------------------------------------------+
- -Wgnu-complex-integer
- ---------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`complex integer types are a GNU extension`|
- +--------------------------------------------------------------------------------+
- -Wgnu-compound-literal-initializer
- ----------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initialization of an array` |nbsp| :diagtext:`from a compound literal` |nbsp| :diagtext:`is a GNU extension`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wgnu-conditional-omitted-operand
- ---------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU ?: conditional expression extension, omitting middle operand`|
- +--------------------------------------------------------------------------------------------------------------+
- -Wgnu-designator
- ----------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU array range extension`|
- +-----------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU 'missing =' extension in designator`|
- +-------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU old-style field designator extension`|
- +--------------------------------------------------------------------------------------+
- -Wgnu-empty-initializer
- -----------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU empty initializer extension`|
- +-----------------------------------------------------------------------------+
- -Wgnu-empty-struct
- ------------------
- **Diagnostic text:**
- +----------------------------------------------------+--------------------+--------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`empty` |nbsp| |+------------------+| |nbsp| :diagtext:`is a GNU extension`|
- | ||:diagtext:`struct`|| |
- | |+------------------+| |
- | ||:diagtext:`union` || |
- | |+------------------+| |
- +----------------------------------------------------+--------------------+--------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flexible array member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in otherwise empty` |nbsp| |+---------------------+| |nbsp| :diagtext:`is a GNU extension`|
- | ||:diagtext:`struct` || |
- | |+---------------------+| |
- | ||:diagtext:`interface`|| |
- | |+---------------------+| |
- | ||:diagtext:`union` || |
- | |+---------------------+| |
- | ||:diagtext:`class` || |
- | |+---------------------+| |
- | ||:diagtext:`enum` || |
- | |+---------------------+| |
- +----------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------+
- +---------------------------+--------------------+------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+------------------+| |nbsp| :diagtext:`without named members is a GNU extension`|
- | ||:diagtext:`struct`|| |
- | |+------------------+| |
- | ||:diagtext:`union` || |
- | |+------------------+| |
- +---------------------------+--------------------+------------------------------------------------------------+
- -Wgnu-flexible-array-initializer
- --------------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flexible array initialization is a GNU extension`|
- +---------------------------------------------------------------------------------------+
- -Wgnu-flexible-array-union-member
- ---------------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flexible array member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in a union is a GNU extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- -Wgnu-folding-constant
- ----------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------+----------------------+------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expression is not an` |nbsp| |+--------------------+| |nbsp| :diagtext:`constant expression; folding it to a constant is a GNU extension`|
- | ||:diagtext:`integer` || |
- | |+--------------------+| |
- | ||:diagtext:`integral`|| |
- | |+--------------------+| |
- +-------------------------------------------------------------------+----------------------+------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`in-class initializer for static data member is not a constant expression; folding it to a constant is a GNU extension`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable length array folded to constant array as an extension`|
- +-----------------------------------------------------------------------------------------------------+
- -Wgnu-imaginary-constant
- ------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`imaginary constants are a GNU extension`|
- +------------------------------------------------------------------------------+
- -Wgnu-include-next
- ------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#include\_next is a language extension`|
- +-----------------------------------------------------------------------------+
- -Wgnu-label-as-value
- --------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU address-of-label extension`|
- +----------------------------------------------------------------------------+
- +-------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU indirect-goto extension`|
- +-------------------------------------------------------------------------+
- -Wgnu-redeclared-enum
- ---------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redeclaration of already-defined enum` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a GNU extension`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- -Wgnu-statement-expression
- --------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU statement expression extension`|
- +--------------------------------------------------------------------------------+
- -Wgnu-static-float-init
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`in-class initializer for static data member of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a GNU extension`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wgnu-string-literal-operator-template
- --------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`string literal operator templates are a GNU extension`|
- +--------------------------------------------------------------------------------------------+
- -Wgnu-union-cast
- ----------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast to union type is a GNU extension`|
- +----------------------------------------------------------------------------+
- -Wgnu-variable-sized-type-not-at-end
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with variable sized type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not at the end of a struct or class is a GNU extension`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wgnu-zero-line-directive
- -------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#line directive with zero argument is a GNU extension`|
- +--------------------------------------------------------------------------------------------+
- -Wgnu-zero-variadic-macro-arguments
- -----------------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`must specify at least one argument for '...' parameter of variadic macro`|
- +---------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`token pasting of ',' and \_\_VA\_ARGS\_\_ is a GNU extension`|
- +---------------------------------------------------------------------------------------------------+
- -Wheader-guard
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is used as a header guard here, followed by #define of a different macro`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- -Wheader-hygiene
- ----------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using namespace directive in global context in header`|
- +--------------------------------------------------------------------------------------------+
- -Widiomatic-parentheses
- -----------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using the result of an assignment as a condition without parentheses`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wignored-attributes
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+-------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-----------------+| |nbsp| :diagtext:`will always resolve to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`even if weak definition of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is overridden`|
- | ||:diagtext:`alias`|| |
- | |+-----------------+| |
- | ||:diagtext:`ifunc`|| |
- | |+-----------------+| |
- +---------------------------+-------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------+-------------------+----------------------------------------------------------------------------------------------------------------+----------------------+
- |:warning:`warning:` |nbsp| |+-----------------+| |nbsp| :diagtext:`will not be in section '`:placeholder:`A`:diagtext:`' but in the same section as the` |nbsp| |+--------------------+|
- | ||:diagtext:`alias`|| ||:diagtext:`aliasee` ||
- | |+-----------------+| |+--------------------+|
- | ||:diagtext:`ifunc`|| ||:diagtext:`resolver`||
- | |+-----------------+| |+--------------------+|
- +---------------------------+-------------------+----------------------------------------------------------------------------------------------------------------+----------------------+
- +----------------------------------------------------------------------+------------------------+-------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'abi\_tag' attribute on` |nbsp| |+----------------------+| |nbsp| :diagtext:`namespace ignored`|
- | ||:diagtext:`non-inline`|| |
- | |+----------------------+| |
- | ||:diagtext:`anonymous` || |
- | |+----------------------+| |
- +----------------------------------------------------------------------+------------------------+-------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`after definition is ignored`|
- +-----------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute can only be applied to instance variables or properties`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute ignored`|
- +--------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute ignored for field of type` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute ignored on inline function`|
- +---------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' attribute cannot be specified on a definition`|
- +-------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored, because it is not attached to a declaration`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'nonnull' attribute applied to function with no pointer arguments`|
- +--------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'nonnull' attribute when used on parameters takes no arguments`|
- +-----------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute ignored when parsing type`|
- +--------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to a pointer or reference (`:placeholder:`B` |nbsp| :diagtext:`is invalid)`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+------------------------------+-------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to`|+----------------------------+| |nbsp| :diagtext:`pointer arguments`|
- | || || |
- | |+----------------------------+| |
- | || |nbsp| :diagtext:`constant`|| |
- | |+----------------------------+| |
- +----------------------------------------------------------------------------------------+------------------------------+-------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute declaration must precede definition`|
- +------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to return values that are pointers`|
- +------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to return values that are pointers or references`|
- +--------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'sentinel' attribute requires named arguments`|
- +------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+-----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'sentinel' attribute only supported for variadic` |nbsp| |+---------------------+|
- | ||:diagtext:`functions`||
- | |+---------------------+|
- | ||:diagtext:`blocks` ||
- | |+---------------------+|
- +-----------------------------------------------------------------------------------------------+-----------------------+
- +------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute argument not supported:` |nbsp| :placeholder:`B`|
- +------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown visibility` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+--------------------------------+----------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot be applied to` |nbsp| |+------------------------------+| |nbsp| :diagtext:`without return value`|
- | ||:diagtext:`functions` || |
- | |+------------------------------+| |
- | ||:diagtext:`Objective-C method`|| |
- | |+------------------------------+| |
- +------------------------------------------------------------------------------------------------------------------------+--------------------------------+----------------------------------------+
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_\_weak attribute cannot be specified on a field declaration`|
- +----------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_\_weak attribute cannot be specified on an automatic variable when ARC is not enabled`|
- +------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`unions` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables and functions` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions and global variables` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, variables, and Objective-C interfaces` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions and methods` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`parameters` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, methods and blocks` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, methods, and classes` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, methods, and parameters` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, methods, and global variables` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`classes` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`enums` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`methods` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`fields and global variables` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`structs` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`parameters and typedefs` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables and typedefs` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`thread-local variables` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables and fields` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables, data members and tag types` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`types and namespaces` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`Objective-C interfaces` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`methods and properties` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, methods, and properties` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`struct or union` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`struct, union or class` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`types` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`Objective-C instance methods` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`init methods of interface or class extension declarations` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables, functions and classes` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, variables, classes, and Objective-C interfaces` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`Objective-C protocols` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables with static or thread storage duration` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, methods, properties, and global variables` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`structs, unions, and typedefs` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`structs and typedefs` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`interface or protocol declarations` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`kernel functions` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`non-K&R-style functions` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables, enums, fields and typedefs` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`functions, methods, enums, and classes` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`structs, classes, variables, functions, and inline namespaces` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`variables, functions, methods, types, enumerations, enumerators, labels, and non-static data members`||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`classes and enumerations` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`named declarations` ||
- | |+----------------------------------------------------------------------------------------------------------------+|
- +------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored, because it cannot be applied to omitted return type`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`calling convention` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored for this target`|
- +----------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`calling convention ignored on constructor/destructor`|
- +-------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`calling convention ignored on variadic function`|
- +--------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored, because it cannot be applied to a type`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+-----------------------+----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is ignored, place it after "`|+---------------------+|:diagtext:`" to apply attribute to type declaration`|
- | ||:diagtext:`class` || |
- | |+---------------------+| |
- | ||:diagtext:`struct` || |
- | |+---------------------+| |
- | ||:diagtext:`interface`|| |
- | |+---------------------+| |
- | ||:diagtext:`union` || |
- | |+---------------------+| |
- | ||:diagtext:`enum` || |
- | |+---------------------+| |
- +------------------------------------------------------------------------------------------------------------------------+-----------------------+----------------------------------------------------+
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'deprecated' attribute on anonymous namespace ignored`|
- +--------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`redeclared inline;` |nbsp| :placeholder:`B` |nbsp| :diagtext:`attribute ignored`|
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is already applied with different parameters`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is already applied`|
- +--------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`Objective-C GC does not allow weak variables on the stack`|
- +------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'gnu\_inline' attribute requires function to be marked 'inline', attribute ignored`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------+------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inheritance model ignored on` |nbsp| |+----------------------------------+|
- | ||:diagtext:`primary template` ||
- | |+----------------------------------+|
- | ||:diagtext:`partial specialization`||
- | |+----------------------------------+|
- +---------------------------------------------------------------------------+------------------------------------+
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'internal\_linkage' attribute on a non-static local variable is ignored`|
- +--------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`qualifiers after comma in declarator list are ignored`|
- +--------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------+----------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`MIPS 'interrupt' attribute only applies to functions that have` |nbsp| |+--------------------------------+|
- | ||:diagtext:`no parameters` ||
- | |+--------------------------------+|
- | ||:diagtext:`a 'void' return type`||
- | |+--------------------------------+|
- +-------------------------------------------------------------------------------------------------------------+----------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown attribute '`:placeholder:`A`:diagtext:`'`|
- +---------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`parameters`|
- | ||:diagtext:`Objective-C object` || |
- | |+---------------------------------+| |
- | ||:diagtext:`pointer` || |
- | |+---------------------------------+| |
- | ||:diagtext:`pointer-to-CF-pointer`|| |
- | |+---------------------------------+| |
- +------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------+
- +------------------------------------------------------------------------------------------------+------------------------+---------------------------------------+--------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+----------------------+| |nbsp| :diagtext:`that return` |nbsp| |+------------------------------------+|
- | ||:diagtext:`functions` || ||:diagtext:`an Objective-C object` ||
- | |+----------------------+| |+------------------------------------+|
- | ||:diagtext:`methods` || ||:diagtext:`a pointer` ||
- | |+----------------------+| |+------------------------------------+|
- | ||:diagtext:`properties`|| ||:diagtext:`a non-retainable pointer`||
- | |+----------------------+| |+------------------------------------+|
- +------------------------------------------------------------------------------------------------+------------------------+---------------------------------------+--------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is deprecated and ignored in OpenCL version` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------+-----------------------+---------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+---------------------+| |nbsp| :diagtext:`of field` |nbsp| :placeholder:`B` |nbsp| :diagtext:`(`:placeholder:`C` |nbsp| :diagtext:`bits) does not match the` |nbsp| |+---------------------+| |nbsp| :diagtext:`of the first field in transparent union; transparent\_union attribute ignored`|
- | ||:diagtext:`alignment`|| ||:diagtext:`alignment`|| |
- | |+---------------------+| |+---------------------+| |
- | ||:diagtext:`size` || ||:diagtext:`size` || |
- | |+---------------------+| |+---------------------+| |
- +---------------------------+-----------------------+---------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------+----------------------------+--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`first field of a transparent union cannot have` |nbsp| |+--------------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`B`:diagtext:`; transparent\_union attribute ignored`|
- | ||:diagtext:`floating point`|| |
- | |+--------------------------+| |
- | ||:diagtext:`vector` || |
- | |+--------------------------+| |
- +---------------------------------------------------------------------------------------------+----------------------------+--------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`transparent\_union attribute can only be applied to a union definition; attribute ignored`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`transparent union definition must contain at least one field; transparent\_union attribute ignored`|
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------+-------------------------------------------------+---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' only applies to` |nbsp| |+-----------------------------------------------+| |nbsp| :diagtext:`types; type here is` |nbsp| :placeholder:`C`|
- | ||:diagtext:`function` || |
- | |+-----------------------------------------------+| |
- | ||:diagtext:`pointer` || |
- | |+-----------------------------------------------+| |
- | ||:diagtext:`Objective-C object or block pointer`|| |
- | |+-----------------------------------------------+| |
- +---------------------------------------------------------------------------------------------+-------------------------------------------------+---------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_\_declspec attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not supported`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring` |nbsp| |+-----------------------+|+--------------------------------+| |nbsp| :diagtext:`'`:placeholder:`C`:diagtext:`' in the target attribute string`|
- | ||:diagtext:`unsupported`||| || |
- | |+-----------------------+|+--------------------------------+| |
- | ||:diagtext:`duplicate` ||| |nbsp| :diagtext:`architecture`|| |
- | |+-----------------------+|+--------------------------------+| |
- +-------------------------------------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------+
- -Wignored-optimization-argument
- -------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`optimization flag '`:placeholder:`A`:diagtext:`' is not supported for target '`:placeholder:`B`:diagtext:`'`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`optimization flag '`:placeholder:`A`:diagtext:`' is not supported`|
- +--------------------------------------------------------------------------------------------------------+
- -Wignored-pragma-intrinsic
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not a recognized builtin`|+----------------------------------------------------------------------------+|
- | || ||
- | |+----------------------------------------------------------------------------+|
- | ||:diagtext:`; consider including <intrin.h> to access non-builtin intrinsics`||
- | |+----------------------------------------------------------------------------+|
- +------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+
- -Wignored-pragmas
- -----------------
- This diagnostic is enabled by default.
- Also controls `-Wignored-pragma-intrinsic`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------------+---------------------------+-----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected '=' following '#pragma` |nbsp| |+-------------------------+|:diagtext:`' - ignored`|
- | ||:diagtext:`align` || |
- | |+-------------------------+| |
- | ||:diagtext:`options align`|| |
- | |+-------------------------+| |
- +------------------------------------------------------------------------------+---------------------------+-----------------------+
- +-----------------------------------------------------------------------------------+---------------------------+-----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid alignment option in '#pragma` |nbsp| |+-------------------------+|:diagtext:`' - ignored`|
- | ||:diagtext:`align` || |
- | |+-------------------------+| |
- | ||:diagtext:`options align`|| |
- | |+-------------------------+| |
- +-----------------------------------------------------------------------------------+---------------------------+-----------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`OpenCL extension end directive mismatches begin directive - ignoring`|
- +-----------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'#pragma comment` |nbsp| :placeholder:`A`:diagtext:`' ignored`|
- +----------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing argument to debug command '`:placeholder:`A`:diagtext:`'`|
- +-------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unexpected debug command '`:placeholder:`A`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected action or ')' in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing ':' after` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`|
- +--------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing ':' or ')' after` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`|
- +---------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected identifier in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +---------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected 'compiler', 'lib', 'user', or a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected integer between` |nbsp| :placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B` |nbsp| :diagtext:`inclusive in '#pragma` |nbsp| :placeholder:`C`:diagtext:`' - ignored`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing '(' after '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignoring`|
- +-----------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected non-wide string literal in '#pragma` |nbsp| :placeholder:`A`:diagtext:`'`|
- +------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------+---------------------------------------------------+------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected` |nbsp| |+-------------------------------------------------+| |nbsp| :diagtext:`- ignoring`|
- | ||:diagtext:`'enable', 'disable', 'begin' or 'end'`|| |
- | |+-------------------------------------------------+| |
- | ||:diagtext:`'disable'` || |
- | |+-------------------------------------------------+| |
- +-------------------------------------------------------+---------------------------------------------------+------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected ')' or ',' in '#pragma` |nbsp| :placeholder:`A`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing ')' after '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignoring`|
- +-----------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected a stack label or a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected push, pop or a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra tokens at end of '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +---------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incorrect use of #pragma clang force\_cuda\_host\_device begin\|end`|
- +----------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'#pragma init\_seg' is only supported when targeting a Microsoft environment`|
- +-------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown action for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +-----------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown action '`:placeholder:`B`:diagtext:`' for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incorrect use of '#pragma ms\_struct on\|off' - ignored`|
- +----------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma options align=reset failed:` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected 'align' following '#pragma options' - ignored`|
- +---------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected #pragma pack parameter to be '1', '2', '4', '8', or '16'`|
- +--------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected integer or identifier in '#pragma pack' - ignored`|
- +-------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma` |nbsp| :placeholder:`A`:diagtext:`(pop, ...) failed:` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pragma pop\_macro could not pop '`:placeholder:`A`:diagtext:`', no matching push\_macro`|
- +------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown OpenCL extension` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`|
- +---------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`known but unsupported action '`:placeholder:`B`:diagtext:`' for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unsupported OpenCL extension` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected '#pragma unused' argument to be a variable name`|
- +-----------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`only variables can be arguments to '#pragma unused'`|
- +------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`undeclared variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`used as an argument for '#pragma unused'`|
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- -Wignored-qualifiers
- --------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------+------------------------------------+----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ARC` |nbsp| |+----------------------------------+| |nbsp| :diagtext:`lifetime qualifier on return type is ignored`|
- | ||:diagtext:`unused` || |
- | |+----------------------------------+| |
- | ||:diagtext:`\_\_unsafe\_unretained`|| |
- | |+----------------------------------+| |
- | ||:diagtext:`\_\_strong` || |
- | |+----------------------------------+| |
- | ||:diagtext:`\_\_weak` || |
- | |+----------------------------------+| |
- | ||:diagtext:`\_\_autoreleasing` || |
- | |+----------------------------------+| |
- +--------------------------------------------------+------------------------------------+----------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on omitted return type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+---------------+------------------------------------------+-------------------+-----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' type qualifier`|+-------------+| |nbsp| :diagtext:`on return type` |nbsp| |+-----------------+| |nbsp| :diagtext:`no effect`|
- | || || ||:diagtext:`:has` || |
- | |+-------------+| |+-----------------+| |
- | ||:diagtext:`s`|| ||:diagtext:`:have`|| |
- | |+-------------+| |+-----------------+| |
- +------------------------------------------------------------------------------------+---------------+------------------------------------------+-------------------+-----------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on function type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on reference type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wimplicit
- ----------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wimplicit-function-declaration`_, `-Wimplicit-int`_.
- -Wimplicit-atomic-properties
- ----------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property is assumed atomic when auto-synthesizing the property`|
- +-----------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property is assumed atomic by default`|
- +----------------------------------------------------------------------------+
- -Wimplicit-conversion-floating-point-to-bool
- --------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion turns floating-point number into bool:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wimplicit-exception-spec-mismatch
- ----------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------+----------------------+----------------------------------------------------------------------+----------------------+-------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`function previously declared with an` |nbsp| |+--------------------+| |nbsp| :diagtext:`exception specification redeclared with an` |nbsp| |+--------------------+| |nbsp| :diagtext:`exception specification`|
- | ||:diagtext:`explicit`|| ||:diagtext:`implicit`|| |
- | |+--------------------+| |+--------------------+| |
- | ||:diagtext:`implicit`|| ||:diagtext:`explicit`|| |
- | |+--------------------+| |+--------------------+| |
- +-----------------------------------------------------------------------------------+----------------------+----------------------------------------------------------------------+----------------------+-------------------------------------------+
- -Wimplicit-fallthrough
- ----------------------
- Also controls `-Wimplicit-fallthrough-per-function`_.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`fallthrough annotation in unreachable code`|
- +---------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unannotated fall-through between switch labels`|
- +-------------------------------------------------------------------------------------+
- -Wimplicit-fallthrough-per-function
- -----------------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unannotated fall-through between switch labels in partly-annotated function`|
- +------------------------------------------------------------------------------------------------------------------+
- -Wimplicit-function-declaration
- -------------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------+--------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit declaration of function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is invalid in` |nbsp| |+------------------+|
- | ||:diagtext:`C99` ||
- | |+------------------+|
- | ||:diagtext:`OpenCL`||
- | |+------------------+|
- +----------------------------------------------------------------------------------------------------------------------------------------+--------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicitly declaring library function '`:placeholder:`A`:diagtext:`' with type` |nbsp| :placeholder:`B`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`use of unknown builtin` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit declaration of function` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------------+
- -Wimplicit-int
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type specifier missing, defaults to 'int'`|
- +--------------------------------------------------------------------------------+
- -Wimplicit-retain-self
- ----------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- -Wimplicitly-unsigned-literal
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`integer literal is too large to be represented in a signed integer type, interpreting as unsigned`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- -Wimport
- --------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wimport-preprocessor-directive-pedantic
- ----------------------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#import is a language extension`|
- +----------------------------------------------------------------------+
- -Winaccessible-base
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`direct base` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is inaccessible due to ambiguity:`:placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- -Winclude-next-absolute-path
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#include\_next with absolute path`|
- +------------------------------------------------------------------------+
- -Winclude-next-outside-header
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#include\_next in primary source file`|
- +----------------------------------------------------------------------------+
- -Wincompatible-exception-spec
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------+----------------------+--------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`exception specifications of` |nbsp| |+--------------------+| |nbsp| :diagtext:`types differ`|
- | ||:diagtext:`return` || |
- | |+--------------------+| |
- | ||:diagtext:`argument`|| |
- | |+--------------------+| |
- +--------------------------------------------------------------------------+----------------------+--------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`target exception specification is not superset of source`|
- +-----------------------------------------------------------------------------------------------+
- -Wincompatible-function-pointer-types
- -------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incompatible function pointer types` |nbsp| |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`assigning to different types` ||| ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`passing to parameter of different type` |||:diagtext:`; dereference with \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`returning from function with different return type`|||:diagtext:`; take the address with &`||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`converting between types` |||:diagtext:`; remove \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`initializing with expression of different type` |||:diagtext:`; remove &` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +----------------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- -Wincompatible-library-redeclaration
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incompatible redeclaration of library function` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------+
- -Wincompatible-ms-struct
- ------------------------
- This diagnostic is an error by default, but the flag ``-Wno-incompatible-ms-struct`` can be used to disable the error.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`ms\_struct may not produce Microsoft-compatible layouts for classes with base classes or virtual functions`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- -Wincompatible-pointer-types
- ----------------------------
- This diagnostic is enabled by default.
- Also controls `-Wincompatible-function-pointer-types`_, `-Wincompatible-pointer-types-discards-qualifiers`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incompatible pointer types` |nbsp| |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`assigning to different types` ||| ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`passing to parameter of different type` |||:diagtext:`; dereference with \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`returning from function with different return type`|||:diagtext:`; take the address with &`||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`converting between types` |||:diagtext:`; remove \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`initializing with expression of different type` |||:diagtext:`; remove &` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +-------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- -Wincompatible-pointer-types-discards-qualifiers
- ------------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+----------------------------------------------------------------+---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------------------------------------+| |nbsp| :diagtext:`discards qualifiers in nested pointer types`|
- | ||:diagtext:`assigning to different types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`passing to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`returning from function with different return type`|| |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`converting between types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`initializing with expression of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +---------------------------+----------------------------------------------------------------+---------------------------------------------------------------+
- +---------------------------+----------------------------------------------------------------+---------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------------------------------------+| |nbsp| :diagtext:`discards qualifiers`|
- | ||:diagtext:`assigning to different types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`passing to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`returning from function with different return type`|| |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`converting between types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`initializing with expression of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +---------------------------+----------------------------------------------------------------+---------------------------------------+
- -Wincompatible-property-type
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is incompatible with type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`inherited from` |nbsp| :placeholder:`C`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wincompatible-sysroot
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using sysroot for '`:placeholder:`A`:diagtext:`' but targeting '`:placeholder:`B`:diagtext:`'`|
- +------------------------------------------------------------------------------------------------------------------------------------+
- -Wincomplete-implementation
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`method definition for` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found`|
- +-----------------------------------------------------------------------------------------------------------------+
- -Wincomplete-module
- -------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wincomplete-umbrella`_, `-Wnon-modular-include-in-module`_.
- -Wincomplete-umbrella
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing submodule '`:placeholder:`A`:diagtext:`'`|
- +---------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`umbrella directory '`:placeholder:`A`:diagtext:`' not found`|
- +--------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`umbrella header for module '`:placeholder:`A`:diagtext:`' does not include header '`:placeholder:`B`:diagtext:`'`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Winconsistent-dllimport
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`redeclared without` |nbsp| :placeholder:`B` |nbsp| :diagtext:`attribute: previous` |nbsp| :placeholder:`B` |nbsp| :diagtext:`ignored`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`redeclared without 'dllimport' attribute: 'dllexport' attribute added`|
- +------------------------------------------------------------------------------------------------------------------------------------+
- -Winconsistent-missing-destructor-override
- ------------------------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`overrides a destructor but is not marked 'override'`|
- +------------------------------------------------------------------------------------------------------------------+
- -Winconsistent-missing-override
- -------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`overrides a member function but is not marked 'override'`|
- +-----------------------------------------------------------------------------------------------------------------------+
- -Wincrement-bool
- ----------------
- This diagnostic is enabled by default.
- Also controls `-Wdeprecated-increment-bool`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`ISO C++17 does not allow incrementing expression of type bool`|
- +------------------------------------------------------------------------------------------------+
- -Winfinite-recursion
- --------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`all paths through this function will call itself`|
- +---------------------------------------------------------------------------------------+
- -Winit-self
- -----------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Winitializer-overrides
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initializer overrides prior initialization of this subobject`|
- +---------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`subobject initialization overrides initialization of other fields within its enclosing subobject`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- -Winjected-class-name
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------+--------------------------------------------------------------+------------------------+---------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++ specifies that qualified reference to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a constructor name rather than a` |nbsp| |+-------------------------+| |nbsp| :diagtext:`in this context, despite preceding` |nbsp| |+----------------------+| |nbsp| :diagtext:`keyword`|
- | ||:diagtext:`template name`|| ||:diagtext:`'typename'`|| |
- | |+-------------------------+| |+----------------------+| |
- | ||:diagtext:`type` || ||:diagtext:`'template'`|| |
- | |+-------------------------+| |+----------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------------+--------------------------------------------------------------+------------------------+---------------------------+
- -Winline
- --------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Winline-asm
- ------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -Winline-new-delete
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`replacement function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot be declared 'inline'`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- -Winstantiation-after-specialization
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`that occurs after an explicit specialization has no effect`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wint-conversion
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incompatible integer to pointer conversion` |nbsp| |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`assigning to different types` ||| ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`passing to parameter of different type` |||:diagtext:`; dereference with \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`returning from function with different return type`|||:diagtext:`; take the address with &`||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`converting between types` |||:diagtext:`; remove \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`initializing with expression of different type` |||:diagtext:`; remove &` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +-----------------------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- +-----------------------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incompatible pointer to integer conversion` |nbsp| |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`assigning to different types` ||| ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`passing to parameter of different type` |||:diagtext:`; dereference with \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`returning from function with different return type`|||:diagtext:`; take the address with &`||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`converting between types` |||:diagtext:`; remove \*` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`initializing with expression of different type` |||:diagtext:`; remove &` ||
- | |+--------------------------------------------------------------+|+-------------------------------------+|
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +-----------------------------------------------------------------------------------------+----------------------------------------------------------------+---------------------------------------+
- -Wint-conversions
- -----------------
- Synonym for `-Wint-conversion`_.
- -Wint-to-pointer-cast
- ---------------------
- This diagnostic is enabled by default.
- Also controls `-Wint-to-void-pointer-cast`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`from smaller integer type` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wint-to-void-pointer-cast
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`from smaller integer type` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Winteger-overflow
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overflow in expression; result is` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with type` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Winvalid-command-line-argument
- -------------------------------
- This diagnostic is enabled by default.
- Also controls `-Wignored-optimization-argument`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the object size sanitizer has no effect at -O0, but is explicitly enabled:` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`optimization level '`:placeholder:`A`:diagtext:`' is not supported; using '`:placeholder:`B`:placeholder:`C`:diagtext:`' instead`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Winvalid-constexpr
- -------------------
- This diagnostic is an error by default, but the flag ``-Wno-invalid-constexpr`` can be used to disable the error.
- **Diagnostic text:**
- +----------------------------------------------------+-------------------------+--------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`constexpr` |nbsp| |+-----------------------+| |nbsp| :diagtext:`never produces a constant expression`|
- | ||:diagtext:`function` || |
- | |+-----------------------+| |
- | ||:diagtext:`constructor`|| |
- | |+-----------------------+| |
- +----------------------------------------------------+-------------------------+--------------------------------------------------------+
- -Winvalid-iboutlet
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+-------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-----------------------------+| |nbsp| :diagtext:`with` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute must be an object type (invalid` |nbsp| :placeholder:`B`:diagtext:`)`|
- | ||:diagtext:`instance variable`|| |
- | |+-----------------------------+| |
- | ||:diagtext:`property` || |
- | |+-----------------------------+| |
- +---------------------------+-------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`IBOutletCollection properties should be copy/strong and not assign`|
- +---------------------------------------------------------------------------------------------------------+
- -Winvalid-initializer-from-system-header
- ----------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid constructor form class in system header, should not be explicit`|
- +--------------------------------------------------------------------------------------------------------------+
- -Winvalid-ios-deployment-target
- -------------------------------
- This diagnostic is an error by default, but the flag ``-Wno-invalid-ios-deployment-target`` can be used to disable the error.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`invalid iOS deployment version '`:placeholder:`A`:diagtext:`', iOS 10 is the maximum deployment target for 32-bit targets`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Winvalid-noreturn
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`function declared 'noreturn' should not return`|
- +-------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`declared 'noreturn' should not return`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- -Winvalid-offsetof
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`offset of on non-POD type` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`offset of on non-standard-layout type` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------------------------+
- -Winvalid-or-nonexistent-directory
- ----------------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`environment variable SCE\_ORBIS\_SDK\_DIR is set, but points to invalid or nonexistent directory '`:placeholder:`A`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unable to find` |nbsp| :placeholder:`A` |nbsp| :diagtext:`directory, expected to be in '`:placeholder:`B`:diagtext:`'`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Winvalid-partial-specialization
- --------------------------------
- This diagnostic is an error by default, but the flag ``-Wno-invalid-partial-specialization`` can be used to disable the error.
- **Diagnostic text:**
- +-----------------------+----------------------+-----------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| |+--------------------+| |nbsp| :diagtext:`template partial specialization is not more specialized than the primary template`|
- | ||:diagtext:`class` || |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +-----------------------+----------------------+-----------------------------------------------------------------------------------------------------+
- -Winvalid-pch
- -------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Winvalid-pp-token
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`empty character constant`|
- +---------------------------------------------------------------+
- +------------------------------------------------------------------+-----------------+-----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing terminating` |nbsp| |+---------------+| |nbsp| :diagtext:`character`|
- | ||:diagtext:`'` || |
- | |+---------------+| |
- | ||:diagtext:`'"'`|| |
- | |+---------------+| |
- +------------------------------------------------------------------+-----------------+-----------------------------+
- -Winvalid-source-encoding
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`illegal character encoding in character literal`|
- +--------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`illegal character encoding in string literal`|
- +-----------------------------------------------------------------------------------+
- -Winvalid-token-paste
- ---------------------
- This diagnostic is an error by default, but the flag ``-Wno-invalid-token-paste`` can be used to disable the error.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`pasting formed '`:placeholder:`A`:diagtext:`', an invalid preprocessing token`|
- +----------------------------------------------------------------------------------------------------------------+
- -Wjump-seh-finally
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`jump out of \_\_finally block has undefined behavior`|
- +-------------------------------------------------------------------------------------------+
- -Wkeyword-compat
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------+-------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`keyword '`:placeholder:`A`:diagtext:`' will be made available as an identifier` |nbsp| |+-----------------------------------------------------+|
- | ||:diagtext:`here` ||
- | |+-----------------------------------------------------+|
- | ||:diagtext:`for the remainder of the translation unit`||
- | |+-----------------------------------------------------+|
- +-----------------------------------------------------------------------------------------------------------------------------+-------------------------------------------------------+
- -Wkeyword-macro
- ---------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`keyword is hidden by macro definition`|
- +----------------------------------------------------------------------------+
- -Wknr-promoted-parameter
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`promoted type of K&R function parameter is not compatible with parameter type` |nbsp| :diagtext:`declared in a previous prototype`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wlanguage-extension-token
- --------------------------
- **Diagnostic text:**
- +-----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extension used`|
- +-----------------------------------------------------+
- -Wlarge-by-value-copy
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a large (`:placeholder:`B` |nbsp| :diagtext:`bytes) pass-by-value argument; pass it by reference instead ?`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`return value of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a large (`:placeholder:`B` |nbsp| :diagtext:`bytes) pass-by-value object; pass it by reference instead ?`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wliblto
- --------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wliteral-conversion
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wliteral-range
- ---------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`magnitude of floating-point constant too large for type` |nbsp| :placeholder:`A`:diagtext:`; maximum is` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`magnitude of floating-point constant too small for type` |nbsp| :placeholder:`A`:diagtext:`; minimum is` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wlocal-type-template-args
- --------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wc++98-compat-local-type-template-args`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`template argument uses local type` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------------------------+
- -Wlogical-not-parentheses
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------+------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`logical not is only applied to the left hand side of this` |nbsp| |+----------------------------+|
- | ||:diagtext:`comparison` ||
- | |+----------------------------+|
- | ||:diagtext:`bitwise operator`||
- | |+----------------------------+|
- +--------------------------------------------------------------------------------------------------------+------------------------------+
- -Wlogical-op-parentheses
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'&&' within '\|\|'`|
- +---------------------------------------------------------+
- -Wlong-long
- -----------
- Also controls `-Wc++11-long-long`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'long long' is an extension when C99 mode is not enabled`|
- +-----------------------------------------------------------------------------------------------+
- -Wloop-analysis
- ---------------
- Controls `-Wfor-loop-analysis`_, `-Wrange-loop-analysis`_.
- -Wmacro-redefined
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`macro redefined`|
- +------------------------------------------------------------------------------+
- -Wmain
- ------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++ does not allow 'main' to be used by a program`|
- +--------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'main' is not allowed to be declared \_Noreturn`|
- +--------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'main' is not allowed to be declared variadic`|
- +------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`only one parameter on 'main' declaration`|
- +-------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable named 'main' with external linkage has undefined behavior`|
- +---------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`bool literal returned from 'main'`|
- +------------------------------------------------------------------------+
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'main' should not be declared static`|
- +---------------------------------------------------------------------------+
- -Wmain-return-type
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`return type of 'main' is not 'int'`|
- +-------------------------------------------------------------------------+
- -Wmalformed-warning-check
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_\_has\_warning expected option name (e.g. "-Wundef")`|
- +---------------------------------------------------------------------------------------------+
- -Wmany-braces-around-scalar-init
- --------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`too many braces around scalar initializer`|
- +--------------------------------------------------------------------------------+
- -Wmax-unsigned-zero
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------+---------------------------------------+------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`taking the max of` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`is always equal to the other value`|
- | ||:diagtext:`a value and unsigned zero`|| |
- | |+-------------------------------------+| |
- | ||:diagtext:`unsigned zero and a value`|| |
- | |+-------------------------------------+| |
- +----------------------------------------------------------------+---------------------------------------+------------------------------------------------------+
- -Wmemsize-comparison
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`size argument in` |nbsp| :placeholder:`A` |nbsp| :diagtext:`call is a comparison`|
- +-----------------------------------------------------------------------------------------------------------------------+
- -Wmethod-signatures
- -------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting parameter types in implementation of` |nbsp| :placeholder:`A`:diagtext:`:` |nbsp| :placeholder:`B` |nbsp| :diagtext:`vs` |nbsp| :placeholder:`C`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting return type in implementation of` |nbsp| :placeholder:`A`:diagtext:`:` |nbsp| :placeholder:`B` |nbsp| :diagtext:`vs` |nbsp| :placeholder:`C`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft
- -----------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Winconsistent-dllimport`_, `-Wmicrosoft-anon-tag`_, `-Wmicrosoft-cast`_, `-Wmicrosoft-charize`_, `-Wmicrosoft-comment-paste`_, `-Wmicrosoft-const-init`_, `-Wmicrosoft-cpp-macro`_, `-Wmicrosoft-default-arg-redefinition`_, `-Wmicrosoft-end-of-file`_, `-Wmicrosoft-enum-forward-reference`_, `-Wmicrosoft-enum-value`_, `-Wmicrosoft-exception-spec`_, `-Wmicrosoft-explicit-constructor-call`_, `-Wmicrosoft-extra-qualification`_, `-Wmicrosoft-fixed-enum`_, `-Wmicrosoft-flexible-array`_, `-Wmicrosoft-goto`_, `-Wmicrosoft-include`_, `-Wmicrosoft-mutable-reference`_, `-Wmicrosoft-pure-definition`_, `-Wmicrosoft-redeclare-static`_, `-Wmicrosoft-sealed`_, `-Wmicrosoft-template`_, `-Wmicrosoft-union-member-reference`_, `-Wmicrosoft-unqualified-friend`_, `-Wmicrosoft-using-decl`_, `-Wmicrosoft-void-pseudo-dtor`_.
- -Wmicrosoft-anon-tag
- --------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------+--------------------+---------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`types declared in an anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`are a Microsoft extension`|
- | ||:diagtext:`struct`|| |
- | |+------------------+| |
- | ||:diagtext:`union` || |
- | |+------------------+| |
- +-----------------------------------------------------------------------------+--------------------+---------------------------------------------+
- +--------------------------------------------------------+---------------------+---------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`anonymous` |nbsp| |+-------------------+| |nbsp| :diagtext:`are a Microsoft extension`|
- | ||:diagtext:`structs`|| |
- | |+-------------------+| |
- | ||:diagtext:`unions` || |
- | |+-------------------+| |
- +--------------------------------------------------------+---------------------+---------------------------------------------+
- -Wmicrosoft-cast
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static\_cast between pointer-to-function and pointer-to-object is a Microsoft extension`|
- +------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion between pointer-to-function and pointer-to-object is a Microsoft extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-charize
- -------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`charizing operator #@ is a Microsoft extension`|
- +-------------------------------------------------------------------------------------+
- -Wmicrosoft-comment-paste
- -------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pasting two '/' tokens into a '//' comment is a Microsoft extension`|
- +----------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-const-init
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------+--------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default initialization of an object of const type` |nbsp| :placeholder:`A`|+---------------------------------------------------------------+| |nbsp| :diagtext:`is a Microsoft extension`|
- | || || |
- | |+---------------------------------------------------------------+| |
- | || |nbsp| :diagtext:`without a user-provided default constructor`|| |
- | |+---------------------------------------------------------------+| |
- +----------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------+--------------------------------------------+
- -Wmicrosoft-cpp-macro
- ---------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C++ operator` |nbsp| :placeholder:`A` |nbsp| :diagtext:`(aka` |nbsp| :placeholder:`B`:diagtext:`) used as a macro name`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-default-arg-redefinition
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redefinition of default argument`|
- +-----------------------------------------------------------------------+
- -Wmicrosoft-end-of-file
- -----------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`treating Ctrl-Z as end-of-file is a Microsoft extension`|
- +----------------------------------------------------------------------------------------------+
- -Wmicrosoft-enum-forward-reference
- ----------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`forward references to 'enum' types are a Microsoft extension`|
- +---------------------------------------------------------------------------------------------------+
- -Wmicrosoft-enum-value
- ----------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumerator value is not representable in the underlying type` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-exception-spec
- --------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`exception specification of '...' is a Microsoft extension`|
- +------------------------------------------------------------------------------------------------+
- +---------------------------+----------------------------------+----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------+|:diagtext:`incomplete type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is not allowed in exception specification`|
- | || || |
- | |+--------------------------------+| |
- | ||:diagtext:`pointer to` |nbsp| || |
- | |+--------------------------------+| |
- | ||:diagtext:`reference to` |nbsp| || |
- | |+--------------------------------+| |
- +---------------------------+----------------------------------+----------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`exception specification in declaration does not match previous declaration`|
- +-----------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`exception specification in explicit instantiation does not match instantiated one`|
- +------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is missing exception specification '`:placeholder:`B`:diagtext:`'`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`exception specification of overriding function is more lax than base version`|
- +-------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-exists
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------+---------------------------------+--------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`dependent` |nbsp| |+-------------------------------+| |nbsp| :diagtext:`declarations are ignored`|
- | ||:diagtext:`\_\_if\_not\_exists`|| |
- | |+-------------------------------+| |
- | ||:diagtext:`\_\_if\_exists` || |
- | |+-------------------------------+| |
- +--------------------------------------------------------+---------------------------------+--------------------------------------------+
- -Wmicrosoft-explicit-constructor-call
- -------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit constructor calls are a Microsoft extension`|
- +-------------------------------------------------------------------------------------------+
- -Wmicrosoft-extra-qualification
- -------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra qualification on member` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------+
- -Wmicrosoft-fixed-enum
- ----------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumeration types with a fixed underlying type are a Microsoft extension`|
- +---------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-flexible-array
- --------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flexible array member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in otherwise empty` |nbsp| |+---------------------+| |nbsp| :diagtext:`is a Microsoft extension`|
- | ||:diagtext:`struct` || |
- | |+---------------------+| |
- | ||:diagtext:`interface`|| |
- | |+---------------------+| |
- | ||:diagtext:`union` || |
- | |+---------------------+| |
- | ||:diagtext:`class` || |
- | |+---------------------+| |
- | ||:diagtext:`enum` || |
- | |+---------------------+| |
- +----------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flexible array member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in a union is a Microsoft extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-goto
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`jump from this goto statement to its label is a Microsoft extension`|
- +----------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-include
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#include resolved using non-portable Microsoft search rules as:` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-mutable-reference
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'mutable' on a reference type is a Microsoft extension`|
- +---------------------------------------------------------------------------------------------+
- -Wmicrosoft-pure-definition
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`function definition with pure-specifier is a Microsoft extension`|
- +-------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-redeclare-static
- ----------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redeclaring non-static` |nbsp| :placeholder:`A` |nbsp| :diagtext:`as static is a Microsoft extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-sealed
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'sealed' keyword is a Microsoft extension`|
- +--------------------------------------------------------------------------------+
- -Wmicrosoft-template
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`duplicate explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored as a Microsoft extension`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of identifier` |nbsp| :placeholder:`A` |nbsp| :diagtext:`found via unqualified lookup into dependent bases of class templates is a Microsoft extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit specialization of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`within class scope is a Microsoft extension`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using the undeclared type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`as a default template argument is a Microsoft extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-type template argument containing a dereference operation is a Microsoft extension`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- +---------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`specialization of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`outside namespace enclosing` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is a Microsoft extension`|
- | ||:diagtext:`class template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`class template partial` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`variable template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`variable template partial`|| |
- | |+-------------------------------------+| |
- | ||:diagtext:`function template` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member function` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`static data member` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member class` || |
- | |+-------------------------------------+| |
- | ||:diagtext:`member enumeration` || |
- | |+-------------------------------------+| |
- +---------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`template argument for template type parameter must be a type; omitted 'typename' is a Microsoft extension`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of undeclared identifier` |nbsp| :placeholder:`A`:diagtext:`; unqualified lookup into dependent bases of class template` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is a Microsoft extension`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-union-member-reference
- ----------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`union member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has reference type` |nbsp| :placeholder:`B`:diagtext:`, which is a Microsoft extension`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-unqualified-friend
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unqualified friend declaration referring to type outside of the nearest enclosing namespace is a Microsoft extension; add a nested name specifier`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-using-decl
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using declaration referring to inaccessible member '`:placeholder:`A`:diagtext:`' (which refers to accessible member '`:placeholder:`B`:diagtext:`') is a Microsoft compatibility extension`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmicrosoft-void-pseudo-dtor
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pseudo-destructors on type void are a Microsoft extension`|
- +------------------------------------------------------------------------------------------------+
- -Wmismatched-new-delete
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------+------------------+---------------------------------------------------------------+------------------+-----------------------------------+------------------+--------------+
- |:warning:`warning:` |nbsp| :diagtext:`'delete`|+----------------+|:diagtext:`' applied to a pointer that was allocated with 'new`|+----------------+|:diagtext:`'; did you mean 'delete`|+----------------+|:diagtext:`'?`|
- | || || ||:diagtext:`\[\]`|| ||:diagtext:`\[\]`|| |
- | |+----------------+| |+----------------+| |+----------------+| |
- | ||:diagtext:`\[\]`|| || || || || |
- | |+----------------+| |+----------------+| |+----------------+| |
- +----------------------------------------------+------------------+---------------------------------------------------------------+------------------+-----------------------------------+------------------+--------------+
- -Wmismatched-parameter-types
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting parameter types in implementation of` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------------------------------------+
- -Wmismatched-return-types
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting return type in implementation of` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wmismatched-tags
- -----------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------+--------------------------+------------------------------+-----------------------------------------------------------+--------------------------+------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`C` |nbsp| :diagtext:`defined as` |nbsp| |+------------------------+|+----------------------------+| |nbsp| :diagtext:`here but previously declared as` |nbsp| |+------------------------+|+----------------------------+|
- | ||:diagtext:`a struct` ||| || ||:diagtext:`a struct` ||| ||
- | |+------------------------+|+----------------------------+| |+------------------------+|+----------------------------+|
- | ||:diagtext:`an interface`||| |nbsp| :diagtext:`template`|| ||:diagtext:`an interface`||| |nbsp| :diagtext:`template`||
- | |+------------------------+|+----------------------------+| |+------------------------+|+----------------------------+|
- | ||:diagtext:`a class` || | ||:diagtext:`a class` || |
- | |+------------------------+| | |+------------------------+| |
- +---------------------------------------------------------------------------------+--------------------------+------------------------------+-----------------------------------------------------------+--------------------------+------------------------------+
- +---------------------------+-----------------------+------------------------------+--------------------------------------------------------------------------------+-----------------------+------------------------------+
- |:warning:`warning:` |nbsp| |+---------------------+|+----------------------------+| |nbsp| :placeholder:`C` |nbsp| :diagtext:`was previously declared as a` |nbsp| |+---------------------+|+----------------------------+|
- | ||:diagtext:`struct` ||| || ||:diagtext:`struct` ||| ||
- | |+---------------------+|+----------------------------+| |+---------------------+|+----------------------------+|
- | ||:diagtext:`interface`||| |nbsp| :diagtext:`template`|| ||:diagtext:`interface`||| |nbsp| :diagtext:`template`||
- | |+---------------------+|+----------------------------+| |+---------------------+|+----------------------------+|
- | ||:diagtext:`class` || | ||:diagtext:`class` || |
- | |+---------------------+| | |+---------------------+| |
- +---------------------------+-----------------------+------------------------------+--------------------------------------------------------------------------------+-----------------------+------------------------------+
- -Wmissing-braces
- ----------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`suggest braces around initialization of subobject`|
- +----------------------------------------------------------------------------------------+
- -Wmissing-declarations
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration does not declare anything`|
- +----------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is not permitted on a declaration of a type`|
- +-----------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`typedef requires a name`|
- +--------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' ignored on this declaration`|
- +-------------------------------------------------------------------------------------------------+
- -Wmissing-exception-spec
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is missing exception specification '`:placeholder:`B`:diagtext:`'`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- -Wmissing-field-initializers
- ----------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`initializer`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wmissing-format-attribute
- --------------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wmissing-include-dirs
- ----------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wmissing-method-return-type
- ----------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`method has no return type specified; defaults to 'id'`|
- +--------------------------------------------------------------------------------------------+
- -Wmissing-noescape
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parameter of overriding method should be annotated with \_\_attribute\_\_((noescape))`|
- +----------------------------------------------------------------------------------------------------------------------------+
- -Wmissing-noreturn
- ------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`block could be declared with attribute 'noreturn'`|
- +----------------------------------------------------------------------------------------+
- +---------------------------+----------------------+---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`could be declared with attribute 'noreturn'`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`method` || |
- | |+--------------------+| |
- +---------------------------+----------------------+---------------------------------------------------------------------------------------+
- -Wmissing-prototype-for-cc
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`function with no prototype cannot use the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`calling convention`|
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmissing-prototypes
- --------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no previous prototype for function` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------+
- -Wmissing-selector-name
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`used as the name of the previous parameter rather than as part of the selector`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmissing-sysroot
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no such sysroot directory: '`:placeholder:`A`:diagtext:`'`|
- +------------------------------------------------------------------------------------------------+
- -Wmissing-variable-declarations
- -------------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no previous extern declaration for non-static variable` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------------------------------------------+
- -Rmodule-build
- --------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------+
- |:remark:`remark:` |nbsp| :diagtext:`building module '`:placeholder:`A`:diagtext:`' as '`:placeholder:`B`:diagtext:`'`|
- +---------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------+
- |:remark:`remark:` |nbsp| :diagtext:`finished building module '`:placeholder:`A`:diagtext:`'`|
- +--------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------+
- |:remark:`remark:` |nbsp| :diagtext:`could not acquire lock file for module '`:placeholder:`A`:diagtext:`':` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------+
- |:remark:`remark:` |nbsp| :diagtext:`timed out waiting to acquire lock file for module '`:placeholder:`A`:diagtext:`'`|
- +---------------------------------------------------------------------------------------------------------------------+
- -Wmodule-conflict
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`module '`:placeholder:`A`:diagtext:`' conflicts with already-imported module '`:placeholder:`B`:diagtext:`':` |nbsp| :placeholder:`C`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`module file '`:placeholder:`A`:diagtext:`' was validated as a system module and is now being imported as a non-system module; any difference in diagnostic options will be ignored`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmodule-file-config-mismatch
- -----------------------------
- This diagnostic is an error by default, but the flag ``-Wno-module-file-config-mismatch`` can be used to disable the error.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`module file` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot be loaded due to a configuration mismatch with the current compilation`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmodule-file-extension
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`duplicate module file extension block name '`:placeholder:`A`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------------------------+
- -Wmodule-import-in-extern-c
- ---------------------------
- This diagnostic is an error by default, but the flag ``-Wno-module-import-in-extern-c`` can be used to disable the error.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`import of C++ module '`:placeholder:`A`:diagtext:`' appears within extern "C" language linkage specification`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmodules-ambiguous-internal-linkage
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ambiguous use of internal linkage declaration` |nbsp| :placeholder:`A` |nbsp| :diagtext:`defined in multiple modules`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wmodules-import-nested-redundant
- ---------------------------------
- This diagnostic is an error by default, but the flag ``-Wno-modules-import-nested-redundant`` can be used to disable the error.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`redundant #include of module '`:placeholder:`A`:diagtext:`' appears within` |nbsp| :placeholder:`B`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- -Wmost
- ------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wcast-of-sel-type`_, `-Wchar-subscripts`_, `-Wcomment`_, `-Wdelete-non-virtual-dtor`_, `-Wextern-c-compat`_, `-Wfor-loop-analysis`_, `-Wformat`_, `-Wimplicit`_, `-Winfinite-recursion`_, `-Wmismatched-tags`_, `-Wmissing-braces`_, `-Wmove`_, `-Wmultichar`_, `-Wobjc-designated-initializers`_, `-Wobjc-flexible-array`_, `-Wobjc-missing-super-calls`_, `-Woverloaded-virtual`_, `-Wprivate-extern`_, `-Wreorder`_, `-Wreturn-type`_, `-Wself-assign`_, `-Wself-move`_, `-Wsizeof-array-argument`_, `-Wsizeof-array-decay`_, `-Wstring-plus-int`_, `-Wtrigraphs`_, `-Wuninitialized`_, `-Wunknown-pragmas`_, `-Wunused`_, `-Wuser-defined-warnings`_, `-Wvolatile-register-var`_.
- -Wmove
- ------
- Controls `-Wpessimizing-move`_, `-Wredundant-move`_, `-Wself-move`_.
- -Wmsvc-include
- --------------
- Synonym for `-Wmicrosoft-include`_.
- -Wmsvc-not-found
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unable to find a Visual Studio installation; try running Clang from a developer command prompt`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- -Wmultichar
- -----------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multi-character character constant`|
- +-------------------------------------------------------------------------+
- -Wmultiple-move-vbase
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`defaulted move assignment operator of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will move assign virtual base class` |nbsp| :placeholder:`B` |nbsp| :diagtext:`multiple times`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wnarrowing
- -----------
- Synonym for `-Wc++11-narrowing`_.
- -Wnested-anon-types
- -------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------+--------------------+------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`anonymous types declared in an anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`are an extension`|
- | ||:diagtext:`struct`|| |
- | |+------------------+| |
- | ||:diagtext:`union` || |
- | |+------------------+| |
- +---------------------------------------------------------------------------------------+--------------------+------------------------------------+
- -Wnested-externs
- ----------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wnew-returns-null
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`should not return a null pointer unless it is declared 'throw()'`|+---------------------------------+|
- | || ||
- | |+---------------------------------+|
- | || |nbsp| :diagtext:`or 'noexcept'`||
- | |+---------------------------------+|
- +-------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+
- -Wnewline-eof
- -------------
- **Diagnostic text:**
- +----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no newline at end of file`|
- +----------------------------------------------------------------+
- +----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no newline at end of file`|
- +----------------------------------------------------------------+
- -Wnoexcept-type
- ---------------
- Synonym for `-Wc++17-compat-mangling`_.
- -Wnon-gcc
- ---------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wconversion`_, `-Wliteral-range`_, `-Wsign-compare`_.
- -Wnon-literal-null-conversion
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expression which evaluates to zero treated as a null pointer constant of type` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- -Wnon-modular-include-in-framework-module
- -----------------------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`include of non-modular header inside framework module '`:placeholder:`A`:diagtext:`': '`:placeholder:`B`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wnon-modular-include-in-module
- -------------------------------
- Also controls `-Wnon-modular-include-in-framework-module`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`include of non-modular header inside module '`:placeholder:`A`:diagtext:`': '`:placeholder:`B`:diagtext:`'`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wnon-pod-varargs
- -----------------
- This diagnostic is an error by default, but the flag ``-Wno-non-pod-varargs`` can be used to disable the error.
- **Diagnostic text:**
- +----------------------------------------------------------------+-------------------------+--------------------------------------------------------------------------------------------+-------------------------+----------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`cannot pass object of` |nbsp| |+-----------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`through variadic` |nbsp| |+-----------------------+|:diagtext:`; call will abort at runtime`|
- | ||:diagtext:`non-POD` || ||:diagtext:`function` || |
- | |+-----------------------+| |+-----------------------+| |
- | ||:diagtext:`non-trivial`|| ||:diagtext:`block` || |
- | |+-----------------------+| |+-----------------------+| |
- | | | ||:diagtext:`method` || |
- | | | |+-----------------------+| |
- | | | ||:diagtext:`constructor`|| |
- | | | |+-----------------------+| |
- +----------------------------------------------------------------+-------------------------+--------------------------------------------------------------------------------------------+-------------------------+----------------------------------------+
- +------------------------------------------------------+-------------------------+-------------------------------------------------------------------------------------------------+-------------------------+--------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`cannot pass` |nbsp| |+-----------------------+| |nbsp| :diagtext:`object of type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to variadic` |nbsp| |+-----------------------+|:diagtext:`; expected type from format string was` |nbsp| :placeholder:`D`|
- | ||:diagtext:`non-POD` || ||:diagtext:`function` || |
- | |+-----------------------+| |+-----------------------+| |
- | ||:diagtext:`non-trivial`|| ||:diagtext:`block` || |
- | |+-----------------------+| |+-----------------------+| |
- | | | ||:diagtext:`method` || |
- | | | |+-----------------------+| |
- | | | ||:diagtext:`constructor`|| |
- | | | |+-----------------------+| |
- +------------------------------------------------------+-------------------------+-------------------------------------------------------------------------------------------------+-------------------------+--------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`second argument to 'va\_arg' is of non-POD type` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`second argument to 'va\_arg' is of ARC ownership-qualified type` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------------------------------+
- -Wnon-virtual-dtor
- ------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has virtual functions but non-virtual destructor`|
- +---------------------------------------------------------------------------------------------------------------+
- -Wnonnull
- ---------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`null passed to a callee that requires a non-null argument`|
- +------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------+----------------------+---------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`null returned from` |nbsp| |+--------------------+| |nbsp| :diagtext:`that requires a non-null return value`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`method` || |
- | |+--------------------+| |
- +-----------------------------------------------------------------+----------------------+---------------------------------------------------------+
- -Wnonportable-cfstrings
- -----------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wnonportable-include-path
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-portable path to file '`:placeholder:`A`:diagtext:`'; specified path differs in case from file name on disk`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wnonportable-system-include-path
- ---------------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-portable path to file '`:placeholder:`A`:diagtext:`'; specified path differs in case from file name on disk`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wnonportable-vector-initialization
- -----------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`vector initializers are not compatible with NEON intrinsics in big endian mode`|
- +---------------------------------------------------------------------------------------------------------------------+
- -Wnsconsumed-mismatch
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overriding method has mismatched ns\_consumed attribute on its parameter`|
- +---------------------------------------------------------------------------------------------------------------+
- -Wnsreturns-mismatch
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------+---------------------------+------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overriding method has mismatched ns\_returns\_`|+-------------------------+| |nbsp| :diagtext:`attributes`|
- | ||:diagtext:`not\_retained`|| |
- | |+-------------------------+| |
- | ||:diagtext:`retained` || |
- | |+-------------------------+| |
- +-------------------------------------------------------------------------------------+---------------------------+------------------------------+
- -Wnull-arithmetic
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of NULL in arithmetic operation`|
- +--------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+--------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison between NULL and non-pointer` |nbsp| |+------------------------------------------------------------+|
- | ||+----------------------------------------------------------+||
- | |||:diagtext:`(`:placeholder:`B` |nbsp| :diagtext:`and NULL)`|||
- | ||+----------------------------------------------------------+||
- | |+------------------------------------------------------------+|
- | ||+----------------------------------------------------------+||
- | |||:diagtext:`(NULL and` |nbsp| :placeholder:`B`:diagtext:`)`|||
- | ||+----------------------------------------------------------+||
- | |+------------------------------------------------------------+|
- +--------------------------------------------------------------------------------------+--------------------------------------------------------------+
- -Wnull-character
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------+--------------------+---------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`null character(s) preserved in` |nbsp| |+------------------+| |nbsp| :diagtext:`literal`|
- | ||:diagtext:`char` || |
- | |+------------------+| |
- | ||:diagtext:`string`|| |
- | |+------------------+| |
- +-----------------------------------------------------------------------------+--------------------+---------------------------+
- +-------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`null character ignored`|
- +-------------------------------------------------------------+
- -Wnull-conversion
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------+---------------------+-------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion of` |nbsp| |+-------------------+| |nbsp| :diagtext:`constant to` |nbsp| :placeholder:`B`|
- | ||:diagtext:`NULL` || |
- | |+-------------------+| |
- | ||:diagtext:`nullptr`|| |
- | |+-------------------+| |
- +---------------------------------------------------------------------+---------------------+-------------------------------------------------------+
- -Wnull-dereference
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`binding dereferenced null pointer to reference has undefined behavior`|
- +------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`indirection of non-volatile null pointer will be deleted, not trap`|
- +---------------------------------------------------------------------------------------------------------+
- -Wnull-pointer-arithmetic
- -------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------+----------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`performing pointer arithmetic on a null pointer has undefined behavior`|+--------------------------------------------+|
- | || ||
- | |+--------------------------------------------+|
- | || |nbsp| :diagtext:`if the offset is nonzero`||
- | |+--------------------------------------------+|
- +-------------------------------------------------------------------------------------------------------------+----------------------------------------------+
- -Wnullability
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting nullability specifier on parameter types,` |nbsp| :placeholder:`A` |nbsp| :diagtext:`conflicts with existing specifier` |nbsp| :placeholder:`B`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting nullability specifier on return types,` |nbsp| :placeholder:`A` |nbsp| :diagtext:`conflicts with existing specifier` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`nullability specifier` |nbsp| :placeholder:`A` |nbsp| :diagtext:`conflicts with existing specifier` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`synthesized setter` |nbsp| :placeholder:`A` |nbsp| :diagtext:`for null\_resettable property` |nbsp| :placeholder:`B` |nbsp| :diagtext:`does not handle nil`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`duplicate nullability specifier` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------------------+
- -Wnullability-completeness
- --------------------------
- This diagnostic is enabled by default.
- Also controls `-Wnullability-completeness-on-arrays`_.
- **Diagnostic text:**
- +---------------------------+----------------------------+-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------+| |nbsp| :diagtext:`is missing a nullability type specifier (\_Nonnull, \_Nullable, or \_Null\_unspecified)`|
- | ||:diagtext:`pointer` || |
- | |+--------------------------+| |
- | ||:diagtext:`block pointer` || |
- | |+--------------------------+| |
- | ||:diagtext:`member pointer`|| |
- | |+--------------------------+| |
- +---------------------------+----------------------------+-----------------------------------------------------------------------------------------------------------+
- -Wnullability-completeness-on-arrays
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`array parameter is missing a nullability type specifier (\_Nonnull, \_Nullable, or \_Null\_unspecified)`|
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- -Wnullability-declspec
- ----------------------
- This diagnostic is an error by default, but the flag ``-Wno-nullability-declspec`` can be used to disable the error.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------+-------------+
- |:error:`error:` |nbsp| :diagtext:`nullability specifier` |nbsp| :placeholder:`A` |nbsp| :diagtext:`cannot be applied to non-pointer type` |nbsp| :placeholder:`B`:diagtext:`; did you mean to apply the specifier to the` |nbsp| |+-----------------------------------+|:diagtext:`?`|
- | ||:diagtext:`pointer` || |
- | |+-----------------------------------+| |
- | ||:diagtext:`block pointer` || |
- | |+-----------------------------------+| |
- | ||:diagtext:`member pointer` || |
- | |+-----------------------------------+| |
- | ||:diagtext:`function pointer` || |
- | |+-----------------------------------+| |
- | ||:diagtext:`member function pointer`|| |
- | |+-----------------------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------+-------------+
- -Wnullability-extension
- -----------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type nullability specifier` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a Clang extension`|
- +---------------------------------------------------------------------------------------------------------------------------------+
- -Wnullability-inferred-on-nested-type
- -------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+-----------------------+---------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inferring '\_Nonnull' for pointer type within` |nbsp| |+---------------------+| |nbsp| :diagtext:`is deprecated`|
- | ||:diagtext:`array` || |
- | |+---------------------+| |
- | ||:diagtext:`reference`|| |
- | |+---------------------+| |
- +--------------------------------------------------------------------------------------------+-----------------------+---------------------------------+
- -Wnullable-to-nonnull-conversion
- --------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from nullable pointer` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to non-nullable pointer type` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-autosynthesis-property-ivar-name-match
- ---------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------+-------------------------+---------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`autosynthesized property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will use` |nbsp| |+-----------------------+| |nbsp| :diagtext:`instance variable` |nbsp| :placeholder:`C`:diagtext:`, not existing instance variable` |nbsp| :placeholder:`D`|
- | || || |
- | |+-----------------------+| |
- | ||:diagtext:`synthesized`|| |
- | |+-----------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------+-------------------------+---------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-circular-container
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`adding '`:placeholder:`A`:diagtext:`' to '`:placeholder:`B`:diagtext:`' might cause circular dependency in container`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-cocoa-api
- ----------------
- Synonym for `-Wobjc-redundant-api-use`_.
- -Wobjc-designated-initializers
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`designated initializer missing a 'super' call to a designated initializer of the super class`|
- +-----------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`designated initializer invoked a non-designated initializer`|
- +--------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`designated initializer should only invoke a designated initializer on 'super'`|
- +--------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`method override for the designated initializer of the superclass` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`convenience initializer missing a 'self' call to another initializer`|
- +-----------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`convenience initializer should not invoke an initializer on 'super'`|
- +----------------------------------------------------------------------------------------------------------+
- -Wobjc-flexible-array
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`can overwrite instance variable` |nbsp| :placeholder:`B` |nbsp| :diagtext:`with variable sized type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`in superclass` |nbsp| :placeholder:`D`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with variable sized type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is not visible to subclasses and can conflict with their instance variables`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-forward-class-redefinition
- ---------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redefinition of forward class` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of a typedef name of an object type is ignored`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-interface-ivars
- ----------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration of instance variables in the interface is deprecated`|
- +-------------------------------------------------------------------------------------------------------+
- -Wobjc-literal-compare
- ----------------------
- This diagnostic is enabled by default.
- Also controls `-Wobjc-string-compare`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------+----------------------------------+------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`direct comparison of` |nbsp| |+--------------------------------+| |nbsp| :diagtext:`has undefined behavior`|
- | ||:diagtext:`an array literal` || |
- | |+--------------------------------+| |
- | ||:diagtext:`a dictionary literal`|| |
- | |+--------------------------------+| |
- | ||:diagtext:`a numeric literal` || |
- | |+--------------------------------+| |
- | ||:diagtext:`a boxed expression` || |
- | |+--------------------------------+| |
- | || || |
- | |+--------------------------------+| |
- +-------------------------------------------------------------------+----------------------------------+------------------------------------------+
- -Wobjc-literal-conversion
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit boolean conversion of Objective-C object literal always evaluates to true`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`object of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not compatible with` |nbsp| |+---------------------------------+| |nbsp| :placeholder:`C`|
- | ||:diagtext:`array element type` || |
- | |+---------------------------------+| |
- | ||:diagtext:`dictionary key type` || |
- | |+---------------------------------+| |
- | ||:diagtext:`dictionary value type`|| |
- | |+---------------------------------+| |
- +-------------------------------------------------------------------------------------------------------------------------------+-----------------------------------+------------------------+
- -Wobjc-macro-redefinition
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring redefinition of Objective-C qualifier macro`|
- +-------------------------------------------------------------------------------------------+
- -Wobjc-messaging-id
- -------------------
- **Diagnostic text:**
- +---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`messaging unqualified id`|
- +---------------------------------------------------------------+
- -Wobjc-method-access
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`class method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found (return type defaults to 'id')`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`class method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found (return type defaults to 'id'); did you mean` |nbsp| :placeholder:`C`:diagtext:`?`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`instance method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found (return type defaults to 'id')`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`instance method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found (return type defaults to 'id'); did you mean` |nbsp| :placeholder:`C`:diagtext:`?`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`instance method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`found instead of class method` |nbsp| :placeholder:`B`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`instance method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is being used on 'Class' which is not in the root class`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-missing-property-synthesis
- ---------------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`auto property synthesis is synthesizing property not explicitly synthesized`|
- +------------------------------------------------------------------------------------------------------------------+
- -Wobjc-missing-super-calls
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`method possibly missing a \[super` |nbsp| :placeholder:`A`:diagtext:`\] call`|
- +-------------------------------------------------------------------------------------------------------------------+
- -Wobjc-multiple-method-names
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multiple methods named` |nbsp| :placeholder:`A` |nbsp| :diagtext:`found`|
- +--------------------------------------------------------------------------------------------------------------+
- -Wobjc-noncopy-retain-block-property
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`retain'ed block property does not copy the block - use copy attribute instead`|
- +--------------------------------------------------------------------------------------------------------------------+
- -Wobjc-nonunified-exceptions
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cannot catch an exception thrown with @throw in C++ in the non-unified exception model`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-property-implementation
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`class property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires method` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to be defined - use @dynamic or provide a method implementation in this class implementation`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`class property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires method` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to be defined - use @dynamic or provide a method implementation in this category`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires method` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to be defined - use @synthesize, @dynamic or provide a method implementation in this class implementation`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires method` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to be defined - use @dynamic or provide a method implementation in this category`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-property-implicit-mismatch
- ---------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`primary property declaration is implicitly strong while redeclaration in class extension is weak`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-property-matches-cocoa-ownership-rule
- --------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property follows Cocoa naming convention for returning 'owned' objects`|
- +-------------------------------------------------------------------------------------------------------------+
- -Wobjc-property-no-attribute
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`default property attribute 'assign' not appropriate for object`|
- +-----------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no 'assign', 'retain', or 'copy' attribute is specified - 'assign' is assumed`|
- +--------------------------------------------------------------------------------------------------------------------+
- -Wobjc-property-synthesis
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`auto property synthesis will not synthesize property` |nbsp| :placeholder:`A`:diagtext:`; it will be implemented by its superclass, use @dynamic to acknowledge intention`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`auto property synthesis will not synthesize property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`because it is 'readwrite' but it will be synthesized 'readonly' via another property`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`auto property synthesis will not synthesize property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`because it cannot share an ivar with another synthesized property`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-protocol-method-implementation
- -------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`category is implementing a method which will also be implemented by its primary class`|
- +----------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-protocol-property-synthesis
- ----------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`auto property synthesis will not synthesize property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`declared in protocol` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-protocol-qualifiers
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parameterized class` |nbsp| :placeholder:`A` |nbsp| :diagtext:`already conforms to the protocols listed; did you forget a '\*'?`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-readonly-with-setter-property
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`setter cannot be specified for a readonly property`|
- +-----------------------------------------------------------------------------------------+
- -Wobjc-redundant-api-use
- ------------------------
- Synonym for `-Wobjc-redundant-literal-use`_.
- -Wobjc-redundant-literal-use
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with a literal is redundant`|
- +-------------------------------------------------------------------------------------------------------------------+
- -Wobjc-root-class
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`class` |nbsp| :placeholder:`A` |nbsp| :diagtext:`defined without specifying a base class`|
- +-------------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-string-compare
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`direct comparison of a string literal has undefined behavior`|
- +---------------------------------------------------------------------------------------------------+
- -Wobjc-string-concatenation
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`concatenated NSString literal for an NSArray expression - possibly missing a comma`|
- +-------------------------------------------------------------------------------------------------------------------------+
- -Wobjc-unsafe-perform-selector
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+--------------------+------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is incompatible with selectors that return a` |nbsp| |+------------------+| |nbsp| :diagtext:`type`|
- | ||:diagtext:`struct`|| |
- | |+------------------+| |
- | ||:diagtext:`union` || |
- | |+------------------+| |
- | ||:diagtext:`vector`|| |
- | |+------------------+| |
- +-------------------------------------------------------------------------------------------------------------------+--------------------+------------------------+
- -Wodr
- -----
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has incompatible definitions in different translation units`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wold-style-cast
- ----------------
- **Diagnostic text:**
- +------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of old-style cast`|
- +------------------------------------------------------------+
- -Wold-style-definition
- ----------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wopencl-unsupported-rgba
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`vector component name '`:placeholder:`A`:diagtext:`' is an OpenCL version 2.2 feature`|
- +----------------------------------------------------------------------------------------------------------------------------+
- -Wopenmp-clauses
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`aligned clause will be ignored because the requested alignment is not a power of 2`|
- +-------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------+---------------------------------------------------+-------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`zero linear step (`:placeholder:`A` |nbsp| |+-------------------------------------------------+|:diagtext:`should probably be const)`|
- | || || |
- | |+-------------------------------------------------+| |
- | ||:diagtext:`and other variables in clause` |nbsp| || |
- | |+-------------------------------------------------+| |
- +---------------------------------------------------------------------------------+---------------------------------------------------+-------------------------------------+
- -Wopenmp-loop-form
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')`|
- +-----------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed`|
- +-----------------------------------------------------------------------------------------------------------------------------+
- -Wopenmp-target
- ---------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`The OpenMP offloading target '`:placeholder:`A`:diagtext:`' is similar to target '`:placeholder:`B`:diagtext:`' already specified - will be ignored.`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration is not declared in any declare target region`|
- +-----------------------------------------------------------------------------------------------+
- -Woption-ignored
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`option '-ffine-grained-bitfield-accesses' cannot be enabled together with a sanitizer; flag ignored`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`option '`:placeholder:`A`:diagtext:`' was ignored by the PS4 toolchain, using '-fPIC'`|
- +----------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mabicalls' option as it cannot be used with non position-independent code and the N64 ABI`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mlong-calls' option as it is not currently supported with` |nbsp| |+-----------------------------------------+|:diagtext:`-mabicalls`|
- | || || |
- | |+-----------------------------------------+| |
- | ||:diagtext:`the implicit usage of` |nbsp| || |
- | |+-----------------------------------------+| |
- +-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+
- -Wout-of-line-declaration
- -------------------------
- This diagnostic is an error by default, but the flag ``-Wno-out-of-line-declaration`` can be used to disable the error.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`out-of-line declaration of a member must be a definition`|
- +-------------------------------------------------------------------------------------------+
- -Wout-of-scope-function
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of out-of-scope declaration of` |nbsp| :placeholder:`A`|+-------------------------------------------------------------------------------------+|
- | || ||
- | |+-------------------------------------------------------------------------------------+|
- | || |nbsp| :diagtext:`whose type is not compatible with that of an implicit declaration`||
- | |+-------------------------------------------------------------------------------------+|
- +-------------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------+
- -Wover-aligned
- --------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires` |nbsp| :placeholder:`B` |nbsp| :diagtext:`bytes of alignment and the default allocator only guarantees` |nbsp| :placeholder:`C` |nbsp| :diagtext:`bytes`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Woverflow
- ----------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Woverlength-strings
- --------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------+-----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`string literal of length` |nbsp| :placeholder:`A` |nbsp| :diagtext:`exceeds maximum length` |nbsp| :placeholder:`B` |nbsp| :diagtext:`that` |nbsp| |+-------------------+| |nbsp| :diagtext:`compilers are required to support`|
- | ||:diagtext:`C90` || |
- | |+-------------------+| |
- | ||:diagtext:`ISO C99`|| |
- | |+-------------------+| |
- | ||:diagtext:`C++` || |
- | |+-------------------+| |
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------------+-----------------------------------------------------+
- -Woverloaded-shift-op-parentheses
- ---------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------+----------------+------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overloaded operator` |nbsp| |+--------------+| |nbsp| :diagtext:`has higher precedence than comparison operator`|
- | ||:diagtext:`>>`|| |
- | |+--------------+| |
- | ||:diagtext:`<<`|| |
- | |+--------------+| |
- +------------------------------------------------------------------+----------------+------------------------------------------------------------------+
- -Woverloaded-virtual
- --------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------+-----------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`hides overloaded virtual` |nbsp| |+---------------------+|
- | ||:diagtext:`function` ||
- | |+---------------------+|
- | ||:diagtext:`functions`||
- | |+---------------------+|
- +-----------------------------------------------------------------------------------------------+-----------------------+
- -Woverride-init
- ---------------
- Synonym for `-Winitializer-overrides`_.
- -Woverride-module
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overriding the module target triple with` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------+
- -Woverriding-method-mismatch
- ----------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting distributed object modifiers on parameter type in declaration of` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting parameter types in declaration of` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting distributed object modifiers on return type in declaration of` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting return type in declaration of` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting variadic declaration of method and its implementation`|
- +--------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting parameter types in declaration of` |nbsp| :placeholder:`A`:diagtext:`:` |nbsp| :placeholder:`B` |nbsp| :diagtext:`vs` |nbsp| :placeholder:`C`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`conflicting return type in declaration of` |nbsp| :placeholder:`A`:diagtext:`:` |nbsp| :placeholder:`B` |nbsp| :diagtext:`vs` |nbsp| :placeholder:`C`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Woverriding-t-option
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overriding '`:placeholder:`A`:diagtext:`' option with '`:placeholder:`B`:diagtext:`'`|
- +---------------------------------------------------------------------------------------------------------------------------+
- -Wpacked
- --------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`packed attribute is unnecessary for` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------+
- -Wpadded
- --------
- **Diagnostic text:**
- +------------------------------------------------------+-----------------------+--------------------------------------------------------------------------------+------------------+---------------+------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`padding` |nbsp| |+---------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`with` |nbsp| :placeholder:`C` |nbsp| |+----------------+|+-------------+| |nbsp| :diagtext:`to align anonymous bit-field`|
- | ||:diagtext:`struct` || ||:diagtext:`byte`||| || |
- | |+---------------------+| |+----------------+|+-------------+| |
- | ||:diagtext:`interface`|| ||:diagtext:`bit` |||:diagtext:`s`|| |
- | |+---------------------+| |+----------------+|+-------------+| |
- | ||:diagtext:`class` || | | | |
- | |+---------------------+| | | | |
- +------------------------------------------------------+-----------------------+--------------------------------------------------------------------------------+------------------+---------------+------------------------------------------------+
- +------------------------------------------------------+-----------------------+--------------------------------------------------------------------------------+------------------+---------------+----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`padding` |nbsp| |+---------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`with` |nbsp| :placeholder:`C` |nbsp| |+----------------+|+-------------+| |nbsp| :diagtext:`to align` |nbsp| :placeholder:`E`|
- | ||:diagtext:`struct` || ||:diagtext:`byte`||| || |
- | |+---------------------+| |+----------------+|+-------------+| |
- | ||:diagtext:`interface`|| ||:diagtext:`bit` |||:diagtext:`s`|| |
- | |+---------------------+| |+----------------+|+-------------+| |
- | ||:diagtext:`class` || | | | |
- | |+---------------------+| | | | |
- +------------------------------------------------------+-----------------------+--------------------------------------------------------------------------------+------------------+---------------+----------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------+------------------+---------------+-----------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`padding size of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with` |nbsp| :placeholder:`B` |nbsp| |+----------------+|+-------------+| |nbsp| :diagtext:`to alignment boundary`|
- | ||:diagtext:`byte`||| || |
- | |+----------------+|+-------------+| |
- | ||:diagtext:`bit` |||:diagtext:`s`|| |
- | |+----------------+|+-------------+| |
- +--------------------------------------------------------------------------------------------------------------------------------------+------------------+---------------+-----------------------------------------+
- -Wparentheses
- -------------
- This diagnostic is enabled by default.
- Also controls `-Wbitwise-op-parentheses`_, `-Wdangling-else`_, `-Wlogical-not-parentheses`_, `-Wlogical-op-parentheses`_, `-Woverloaded-shift-op-parentheses`_, `-Wparentheses-equality`_, `-Wshift-op-parentheses`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`using the result of an assignment as a condition without parentheses`|
- +-----------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has lower precedence than` |nbsp| :placeholder:`B`:diagtext:`;` |nbsp| :placeholder:`B` |nbsp| :diagtext:`will be evaluated first`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`operator '?:' has lower precedence than '`:placeholder:`A`:diagtext:`'; '`:placeholder:`A`:diagtext:`' will be evaluated first`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wparentheses-equality
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`equality comparison with extraneous parentheses`|
- +--------------------------------------------------------------------------------------+
- -Wpartial-availability
- ----------------------
- Synonym for `-Wunguarded-availability`_.
- -Rpass
- ------
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -Rpass-analysis
- ---------------
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:remark:`remark:` |nbsp| :placeholder:`A`:diagtext:`; allow reordering by specifying '#pragma clang loop vectorize(enable)' before the loop. If the arrays will always be independent specify '#pragma clang loop vectorize(assume\_safety)' before the loop or provide the '\_\_restrict\_\_' qualifier with the independent array arguments. Erroneous results will occur if these options are incorrectly applied!`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:remark:`remark:` |nbsp| :placeholder:`A`:diagtext:`; allow reordering by specifying '#pragma clang loop vectorize(enable)' before the loop or by providing the compiler option '-ffast-math'.`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wpass-failed
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -Rpass-missed
- -------------
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -Wpch-date-time
- ---------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+--------------------------------+-----------------------------------------------------+
- |:warning:`warning:` |nbsp| |+------------------------------+| |nbsp| :diagtext:`uses \_\_DATE\_\_ or \_\_TIME\_\_`|
- | ||:diagtext:`precompiled header`|| |
- | |+------------------------------+| |
- | ||:diagtext:`module` || |
- | |+------------------------------+| |
- +---------------------------+--------------------------------+-----------------------------------------------------+
- -Wpedantic
- ----------
- Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-literal`_, `-Wc11-extensions`_, `-Wcomplex-component-init`_, `-Wdeclaration-after-statement`_, `-Wdollar-in-identifier-extension`_, `-Wembedded-directive`_, `-Wempty-translation-unit`_, `-Wextended-offsetof`_, `-Wflexible-array-extensions`_, `-Wformat-pedantic`_, `-Wfour-char-constants`_, `-Wgnu-anonymous-struct`_, `-Wgnu-auto-type`_, `-Wgnu-binary-literal`_, `-Wgnu-case-range`_, `-Wgnu-complex-integer`_, `-Wgnu-compound-literal-initializer`_, `-Wgnu-conditional-omitted-operand`_, `-Wgnu-empty-initializer`_, `-Wgnu-empty-struct`_, `-Wgnu-flexible-array-initializer`_, `-Wgnu-flexible-array-union-member`_, `-Wgnu-folding-constant`_, `-Wgnu-imaginary-constant`_, `-Wgnu-include-next`_, `-Wgnu-label-as-value`_, `-Wgnu-redeclared-enum`_, `-Wgnu-statement-expression`_, `-Wgnu-union-cast`_, `-Wgnu-zero-line-directive`_, `-Wgnu-zero-variadic-macro-arguments`_, `-Wimport-preprocessor-directive-pedantic`_, `-Wkeyword-macro`_, `-Wlanguage-extension-token`_, `-Wlong-long`_, `-Wmicrosoft-charize`_, `-Wmicrosoft-comment-paste`_, `-Wmicrosoft-cpp-macro`_, `-Wmicrosoft-end-of-file`_, `-Wmicrosoft-enum-value`_, `-Wmicrosoft-fixed-enum`_, `-Wmicrosoft-flexible-array`_, `-Wmicrosoft-redeclare-static`_, `-Wnested-anon-types`_, `-Wnullability-extension`_, `-Woverlength-strings`_, `-Wretained-language-linkage`_, `-Wundefined-internal-type`_, `-Wvla-extension`_, `-Wzero-length-array`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'enable\_if' is a clang extension`|
- +------------------------------------------------------------------------+
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'diagnose\_if' is a clang extension`|
- +--------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`designated initializers are a C99 feature`|
- +--------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++ does not allow 'main' to be used by a program`|
- +--------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C++98 requires an accessible copy constructor for class` |nbsp| :placeholder:`C` |nbsp| :diagtext:`when binding a reference to a temporary; was` |nbsp| |+---------------------+|
- | ||:diagtext:`private` ||
- | |+---------------------+|
- | ||:diagtext:`protected`||
- | |+---------------------+|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+
- +--------------------------------------------------------+--------------------+------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`cannot be '`:placeholder:`B`:diagtext:`'`|
- | ||:diagtext:`struct`|| |
- | |+------------------+| |
- | ||:diagtext:`union` || |
- | |+------------------+| |
- +--------------------------------------------------------+--------------------+------------------------------------------------------------+
- +--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no viable constructor` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`B`:diagtext:`; C++98 requires a copy constructor when binding a reference to a temporary`|
- | ||:diagtext:`copying variable` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying parameter` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`returning object` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`throwing object` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying member subobject` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying array element` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`allocating object` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`copying temporary` || |
- | |+---------------------------------------+| |
- | ||:diagtext:`initializing base subobject`|| |
- | |+---------------------------------------+| |
- | ||:diagtext:`initializing vector element`|| |
- | |+---------------------------------------+| |
- | ||:diagtext:`capturing value` || |
- | |+---------------------------------------+| |
- +--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parameter` |nbsp| :placeholder:`A` |nbsp| :diagtext:`was not declared, defaulting to type 'int'`|
- +--------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension`|
- +--------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`qualifier in explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires a template-id (a typedef is not permitted)`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------+----------------------+-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`is used in an inline function with external linkage`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +-----------------------------------------------------+----------------------+-----------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C forbids forward references to 'enum' types`|
- +---------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------+-------------------+-------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C restricts enumerator values to range of 'int' (`:placeholder:`A` |nbsp| :diagtext:`is too` |nbsp| |+-----------------+|:diagtext:`)`|
- | ||:diagtext:`small`|| |
- | |+-----------------+| |
- | ||:diagtext:`large`|| |
- | |+-----------------+| |
- +----------------------------------------------------------------------------------------------------------------------------------------------+-------------------+-------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`size of static array must be an integer constant expression`|
- +--------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`initializer for aggregate is not a compile-time constant`|
- +-----------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`flexible array members are a C99 feature`|
- +-------------------------------------------------------------------------------+
- +---------------------------------------------------------------+-----------------------+--------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid application of '`|+---------------------+|:diagtext:`' to a function type`|
- | ||:diagtext:`sizeof` || |
- | |+---------------------+| |
- | ||:diagtext:`alignof` || |
- | |+---------------------+| |
- | ||:diagtext:`vec\_step`|| |
- | |+---------------------+| |
- +---------------------------------------------------------------+-----------------------+--------------------------------+
- +---------------------------------------------------------------+-----------------------+----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid application of '`|+---------------------+|:diagtext:`' to a void type`|
- | ||:diagtext:`sizeof` || |
- | |+---------------------+| |
- | ||:diagtext:`alignof` || |
- | |+---------------------+| |
- | ||:diagtext:`vec\_step`|| |
- | |+---------------------+| |
- +---------------------------------------------------------------+-----------------------+----------------------------+
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C90 does not allow subscripting non-lvalue array`|
- +-------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`subscript of a pointer to void is a GNU extension`|
- +----------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C forbids taking the address of an expression of type 'void'`|
- +-------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ordered comparison between pointer and zero (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`) is an extension`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`equality comparison between function pointer and void pointer (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`)`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`arithmetic on`|+---------------------+| |nbsp| :diagtext:`pointer`|+-------------+| |nbsp| :diagtext:`to void is a GNU extension`|
- | || |nbsp| :diagtext:`a`|| || || |
- | |+---------------------+| |+-------------+| |
- | || || ||:diagtext:`s`|| |
- | |+---------------------+| |+-------------+| |
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------------------------------+
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------+-------------------------+---------------------------------+---------------+------------------------+---------------------------------------------------+--------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`arithmetic on`|+---------------------+| |nbsp| :diagtext:`pointer`|+-------------+| |nbsp| :diagtext:`to`|+-----------------------+| |nbsp| :diagtext:`function type`|+-------------+| |nbsp| :placeholder:`B`|+-------------------------------------------------+| |nbsp| :diagtext:`is a GNU extension`|
- | || |nbsp| :diagtext:`a`|| || || || |nbsp| :diagtext:`the`|| || || || || |
- | |+---------------------+| |+-------------+| |+-----------------------+| |+-------------+| |+-------------------------------------------------+| |
- | || || ||:diagtext:`s`|| || || ||:diagtext:`s`|| ||+-----------------------------------------------+|| |
- | |+---------------------+| |+-------------+| |+-----------------------+| |+-------------+| ||| |nbsp| :diagtext:`and` |nbsp| :placeholder:`D`||| |
- | | | | | | | | | ||+-----------------------------------------------+|| |
- | | | | | | | | | |+-------------------------------------------------+| |
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------+-------------------------+---------------------------------+---------------+------------------------+---------------------------------------------------+--------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C does not support '++'/'--' on complex integer type` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C does not support '~' for complex conjugation of` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`complex numbers are an extension in a freestanding C99 implementation`|
- +------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cast between pointer-to-function and pointer-to-object is an extension`|
- +-------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from array size expression of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| |+-----------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is a C++11 extension`|
- | ||:diagtext:`integral` || |
- | |+-----------------------+| |
- | ||:diagtext:`enumeration`|| |
- | |+-----------------------+| |
- +---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------+
- +---------------------------+----------------------------------------------------------------+----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------------------------------------+| |nbsp| :diagtext:`converts between void pointer and function pointer`|
- | ||:diagtext:`assigning to different types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`passing to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`returning from function with different return type`|| |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`converting between types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`initializing with expression of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +---------------------------+----------------------------------------------------------------+----------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`kernel function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a member function; this may not be accepted by nvcc`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C99 forbids conditional expressions with only one void side`|
- +--------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C99 forbids casting nonscalar type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to the same type`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++14 extension`|
- +---------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is a C++17 extension`|
- +---------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------+--------------------+---------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`types declared in an anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`are a Microsoft extension`|
- | ||:diagtext:`struct`|| |
- | |+------------------+| |
- | ||:diagtext:`union` || |
- | |+------------------+| |
- +-----------------------------------------------------------------------------+--------------------+---------------------------------------------+
- +---------------------------------------------------+----------------------+-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`void` |nbsp| |+--------------------+| |nbsp| :placeholder:`A` |nbsp| :diagtext:`should not return void expression`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`method` || |
- | |+--------------------+| |
- | ||:diagtext:`block` || |
- | |+--------------------+| |
- +---------------------------------------------------+----------------------+-----------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' cannot be signed or unsigned`|
- +--------------------------------------------------------------------------------------------------+
- +---------------------------+----------------------------------+------------------------------+-----------------------+----------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------+|:diagtext:`array size` |nbsp| |+---------------------+|:diagtext:`is a C99 feature`|
- | ||:diagtext:`qualifier in` |nbsp| || || || |
- | |+--------------------------------+| |+---------------------+| |
- | ||:diagtext:`static` |nbsp| || || || |
- | |+--------------------------------+| |+---------------------+| |
- | || || ||:diagtext:`'\[\*\] '`|| |
- | |+--------------------------------+| |+---------------------+| |
- +---------------------------+----------------------------------+------------------------------+-----------------------+----------------------------+
- +--------------------------------------------------------+------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extra ';'` |nbsp| |+----------------------------------------------+|
- | ||:diagtext:`outside of a function` ||
- | |+----------------------------------------------+|
- | ||+--------------------------------------------+||
- | |||:diagtext:`inside a` |nbsp| :placeholder:`B`|||
- | ||+--------------------------------------------+||
- | |+----------------------------------------------+|
- | ||:diagtext:`inside instance variable list` ||
- | |+----------------------------------------------+|
- | ||:diagtext:`after member function definition` ||
- | |+----------------------------------------------+|
- +--------------------------------------------------------+------------------------------------------------+
- +-----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'\_\_thread' before '`:placeholder:`A`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`type-less parameter names in function declaration`|
- +----------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable declaration in for loop is a C99-specific feature`|
- +-------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`compound literals are a C99-specific feature`|
- +-----------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`commas at the end of enumerator lists are a C99-specific feature`|
- +-------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`commas at the end of enumerator lists are a C++11 extension`|
- +--------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enumeration types with a fixed underlying type are a C++11 extension`|
- +-----------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of GNU array range extension`|
- +-----------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`exception specification of '...' is a Microsoft extension`|
- +------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------+---------------------------+-----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attributes on` |nbsp| |+-------------------------+| |nbsp| :diagtext:`declaration are a C++17 extension`|
- | ||:diagtext:`a namespace` || |
- | |+-------------------------+| |
- | ||:diagtext:`an enumerator`|| |
- | |+-------------------------+| |
- +------------------------------------------------------------+---------------------------+-----------------------------------------------------+
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`extern templates are a C++11 extension`|
- +-----------------------------------------------------------------------------+
- +------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multi-line // comment`|
- +------------------------------------------------------------+
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`// comments are not allowed in this language`|
- +-----------------------------------------------------------------------------------+
- +----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no newline at end of file`|
- +----------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of non-standard escape character '\\`:placeholder:`A`:diagtext:`'`|
- +------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating constants are a C99 feature`|
- +---------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`hexadecimal floating literals are a C++17 feature`|
- +----------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#ident is a language extension`|
- +---------------------------------------------------------------------+
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#warning is a language extension`|
- +-----------------------------------------------------------------------+
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comma operator in operand of #if`|
- +-----------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_\_VA\_ARGS\_\_ can only appear in the expansion of a C99 variadic macro`|
- +----------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variadic macros are a C99 feature`|
- +------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`named variadic macros are a GNU extension`|
- +--------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`empty macro arguments are a C99 feature`|
- +------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`C requires #line number to be less than` |nbsp| :placeholder:`A`:diagtext:`, allowed as extension`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`macro expansion producing 'defined' has undefined behavior`|
- +-------------------------------------------------------------------------------------------------+
- -Wpedantic-core-features
- ------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`OpenCL extension` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is core feature or supported optional core feature - ignoring`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wpessimizing-move
- ------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`moving a temporary object prevents copy elision`|
- +--------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`moving a local object in a return statement prevents copy elision`|
- +--------------------------------------------------------------------------------------------------------+
- -Wpointer-arith
- ---------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------+-------------------------+---------------------------------+---------------+------------------------+---------------------------------------------------+--------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`arithmetic on`|+---------------------+| |nbsp| :diagtext:`pointer`|+-------------+| |nbsp| :diagtext:`to`|+-----------------------+| |nbsp| :diagtext:`function type`|+-------------+| |nbsp| :placeholder:`B`|+-------------------------------------------------+| |nbsp| :diagtext:`is a GNU extension`|
- | || |nbsp| :diagtext:`a`|| || || || |nbsp| :diagtext:`the`|| || || || || |
- | |+---------------------+| |+-------------+| |+-----------------------+| |+-------------+| |+-------------------------------------------------+| |
- | || || ||:diagtext:`s`|| || || ||:diagtext:`s`|| ||+-----------------------------------------------+|| |
- | |+---------------------+| |+-------------+| |+-----------------------+| |+-------------+| ||| |nbsp| :diagtext:`and` |nbsp| :placeholder:`D`||| |
- | | | | | | | | | ||+-----------------------------------------------+|| |
- | | | | | | | | | |+-------------------------------------------------+| |
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------+-------------------------+---------------------------------+---------------+------------------------+---------------------------------------------------+--------------------------------------+
- +----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`subscript of a pointer to void is a GNU extension`|
- +----------------------------------------------------------------------------------------+
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`arithmetic on`|+---------------------+| |nbsp| :diagtext:`pointer`|+-------------+| |nbsp| :diagtext:`to void is a GNU extension`|
- | || |nbsp| :diagtext:`a`|| || || |
- | |+---------------------+| |+-------------+| |
- | || || ||:diagtext:`s`|| |
- | |+---------------------+| |+-------------+| |
- +----------------------------------------------------+-----------------------+---------------------------+---------------+----------------------------------------------+
- +---------------------------------------------------------------+-----------------------+--------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid application of '`|+---------------------+|:diagtext:`' to a function type`|
- | ||:diagtext:`sizeof` || |
- | |+---------------------+| |
- | ||:diagtext:`alignof` || |
- | |+---------------------+| |
- | ||:diagtext:`vec\_step`|| |
- | |+---------------------+| |
- +---------------------------------------------------------------+-----------------------+--------------------------------+
- +---------------------------------------------------------------+-----------------------+----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid application of '`|+---------------------+|:diagtext:`' to a void type`|
- | ||:diagtext:`sizeof` || |
- | |+---------------------+| |
- | ||:diagtext:`alignof` || |
- | |+---------------------+| |
- | ||:diagtext:`vec\_step`|| |
- | |+---------------------+| |
- +---------------------------------------------------------------+-----------------------+----------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`subtraction of pointers to type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of zero size has undefined behavior`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wpointer-bool-conversion
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------+---------------------------+---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`nonnull` |nbsp| |+-------------------------+| |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' will evaluate to 'true' on first encounter`|
- | ||:diagtext:`function call`|| |
- | |+-------------------------+| |
- | ||:diagtext:`parameter` || |
- | |+-------------------------+| |
- +------------------------------------------------------+---------------------------+---------------------------------------------------------------------------------------------+
- +-------------------------------------------------+------------------------------+---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`address of`|+----------------------------+| |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' will always evaluate to 'true'`|
- | || || |
- | |+----------------------------+| |
- | || |nbsp| :diagtext:`function`|| |
- | |+----------------------------+| |
- | || |nbsp| :diagtext:`array` || |
- | |+----------------------------+| |
- +-------------------------------------------------+------------------------------+---------------------------------------------------------------------------------+
- -Wpointer-sign
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+----------------------------------------------------------------+----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------------------------------------------------+| |nbsp| :diagtext:`converts between pointers to integer types with different sign`|
- | ||:diagtext:`assigning to different types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`passing to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`returning from function with different return type`|| |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`converting between types` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`initializing with expression of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`sending to parameter of different type` || |
- | |+--------------------------------------------------------------+| |
- | ||:diagtext:`casting between types` || |
- | |+--------------------------------------------------------------+| |
- +---------------------------+----------------------------------------------------------------+----------------------------------------------------------------------------------+
- -Wpointer-to-int-cast
- ---------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wpointer-type-mismatch
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pointer type mismatch`|
- +------------------------------------------------------------+
- -Wpotentially-evaluated-expression
- ----------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expression with side effects will be evaluated despite being used as an operand to 'typeid'`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- -Wpragma-clang-attribute
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in '#pragma clang attribute push' region`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wpragma-once-outside-header
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma once in main file`|
- +----------------------------------------------------------------+
- -Wpragma-pack
- -------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wpragma-pack-suspicious-include`_.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the current #pragma pack alignment value is modified in the included file`|
- +----------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unterminated '#pragma pack (push, ...)' at end of file`|
- +---------------------------------------------------------------------------------------------+
- -Wpragma-pack-suspicious-include
- --------------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-default #pragma pack value changes the alignment of struct or union members in the included file`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wpragma-system-header-outside-header
- -------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma system\_header ignored in main file`|
- +----------------------------------------------------------------------------------+
- -Wpragmas
- ---------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wignored-pragmas`_, `-Wpragma-clang-attribute`_, `-Wpragma-pack`_, `-Wunknown-pragmas`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------+----------------------+------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma redefine\_extname is applicable to external C declarations only; not applied to` |nbsp| |+--------------------+| |nbsp| :placeholder:`B`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +--------------------------------------------------------------------------------------------------------------------------------------+----------------------+------------------------+
- -Wpredefined-identifier-outside-function
- ----------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`predefined identifier is only valid inside function`|
- +------------------------------------------------------------------------------------------+
- -Wprivate-extern
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`use of \_\_private\_extern\_\_ on a declaration may not produce external symbol private to the linkage unit and is deprecated`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wprivate-header
- ----------------
- This diagnostic is an error by default, but the flag ``-Wno-private-header`` can be used to disable the error.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`use of private header from outside its module: '`:placeholder:`A`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------------------------+
- -Wprivate-module
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`top-level module '`:placeholder:`A`:diagtext:`' in private module map, expected a submodule of '`:placeholder:`B`:diagtext:`'`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`module '`:placeholder:`A`:diagtext:`' already re-exported as '`:placeholder:`B`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- -Wprofile-instr-missing
- -----------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`profile data may be incomplete: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+-----------------+| |nbsp| :diagtext:`no data`|
- | || || ||:diagtext:`:has` || |
- | |+-------------+| |+-----------------+| |
- | ||:diagtext:`s`|| ||:diagtext:`:have`|| |
- | |+-------------+| |+-----------------+| |
- +-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------+
- -Wprofile-instr-out-of-date
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+--------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`profile data may be out of date: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+-----------------+| |nbsp| :diagtext:`mismatched data that will be ignored`|
- | || || ||:diagtext:`:has` || |
- | |+-------------+| |+-----------------+| |
- | ||:diagtext:`s`|| ||:diagtext:`:have`|| |
- | |+-------------+| |+-----------------+| |
- +------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+--------------------------------------------------------+
- -Wprofile-instr-unprofiled
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no profile data available for file "`:placeholder:`A`:diagtext:`"`|
- +--------------------------------------------------------------------------------------------------------+
- -Wproperty-access-dot-syntax
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found on object of type` |nbsp| :placeholder:`B`:diagtext:`; did you mean to access property` |nbsp| :placeholder:`C`:diagtext:`?`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wproperty-attribute-mismatch
- -----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property attribute in class extension does not match the primary class`|
- +-------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' attribute on property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not match the property inherited from` |nbsp| :placeholder:`C`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`getter name mismatch between property redeclaration (`:placeholder:`B`:diagtext:`) and its original declaration (`:placeholder:`A`:diagtext:`)`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`attribute 'readonly' of property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`restricts attribute 'readwrite' of property inherited from` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wprotocol
- ----------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`method` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in protocol` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not implemented`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wprotocol-property-synthesis-ambiguity
- ---------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------+----------------------------------------------------------------+----------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property` |nbsp| |+--------------------------------------------------------------+| |nbsp| :diagtext:`was selected for synthesis`|
- | ||+-------------------------------------------+ || |
- | |||:diagtext:`of type` |nbsp| :placeholder:`B`| || |
- | ||+-------------------------------------------+ || |
- | |+--------------------------------------------------------------+| |
- | ||+---------------------------------------------------------+ || |
- | |||:diagtext:`with attribute '`:placeholder:`B`:diagtext:`'`| || |
- | ||+---------------------------------------------------------+ || |
- | |+--------------------------------------------------------------+| |
- | ||+------------------------------------------------------------+|| |
- | |||:diagtext:`without attribute '`:placeholder:`B`:diagtext:`'`||| |
- | ||+------------------------------------------------------------+|| |
- | |+--------------------------------------------------------------+| |
- | ||+-----------------------------------------------+ || |
- | |||:diagtext:`with getter` |nbsp| :placeholder:`B`| || |
- | ||+-----------------------------------------------+ || |
- | |+--------------------------------------------------------------+| |
- | ||+-----------------------------------------------+ || |
- | |||:diagtext:`with setter` |nbsp| :placeholder:`B`| || |
- | ||+-----------------------------------------------+ || |
- | |+--------------------------------------------------------------+| |
- +-------------------------------------------------------+----------------------------------------------------------------+----------------------------------------------+
- -Wqualified-void-return-type
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`function cannot return qualified void type` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------------------------------+
- -Wrange-loop-analysis
- ---------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`loop variable` |nbsp| :placeholder:`A` |nbsp| |nbsp| :diagtext:`is initialized with a value of a different type` |nbsp| :diagtext:`resulting in a copy`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`loop variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`creates a copy from type` |nbsp| :placeholder:`C`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`loop variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is always a copy because the range of type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`does not return a reference`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wreadonly-iboutlet-property
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`readonly IBOutlet property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`when auto-synthesized may not work correctly with 'nib' loader`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wreceiver-expr
- ---------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`receiver type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not 'id' or interface pointer, consider casting it to 'id'`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wreceiver-forward-class
- ------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`receiver` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a forward class and corresponding @interface may not exist`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`receiver type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`for instance message is a forward declaration`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- -Wredeclared-class-member
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`class member cannot be redeclared`|
- +------------------------------------------------------------------------+
- -Wredundant-decls
- -----------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wredundant-move
- ----------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redundant move in return statement`|
- +-------------------------------------------------------------------------+
- -Wredundant-parens
- ------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redundant parentheses surrounding declarator`|
- +-----------------------------------------------------------------------------------+
- -Wregister
- ----------
- This diagnostic is enabled by default.
- Also controls `-Wdeprecated-register`_.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`ISO C++17 does not allow 'register' storage class specifier`|
- +----------------------------------------------------------------------------------------------+
- -Wreinterpret-base-class
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------+------------------+---------------------------------------------------------+------------------+-------------------------------+-------------------------------------+-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'reinterpret\_cast'` |nbsp| |+----------------+| |nbsp| :diagtext:`class` |nbsp| :placeholder:`A` |nbsp| |+----------------+| |nbsp| :diagtext:`its` |nbsp| |+-----------------------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`behaves differently from 'static\_cast'`|
- | ||:diagtext:`from`|| ||:diagtext:`to` || ||:diagtext:`virtual base` || |
- | |+----------------+| |+----------------+| |+-----------------------------------+| |
- | ||:diagtext:`to` || ||:diagtext:`from`|| ||:diagtext:`base at non-zero offset`|| |
- | |+----------------+| |+----------------+| |+-----------------------------------+| |
- +------------------------------------------------------------------+------------------+---------------------------------------------------------+------------------+-------------------------------+-------------------------------------+-----------------------------------------------------------------------------------+
- -Rremark-backend-plugin
- -----------------------
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -Wreorder
- ---------
- **Diagnostic text:**
- +---------------------------+------------------------+-----------------------------------------------------------------------------+-------------------+------------------------+
- |:warning:`warning:` |nbsp| |+----------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`will be initialized after` |nbsp| |+-----------------+| |nbsp| :placeholder:`D`|
- | ||:diagtext:`field` || ||:diagtext:`field`|| |
- | |+----------------------+| |+-----------------+| |
- | ||:diagtext:`base class`|| ||:diagtext:`base` || |
- | |+----------------------+| |+-----------------+| |
- +---------------------------+------------------------+-----------------------------------------------------------------------------+-------------------+------------------------+
- -Wrequires-super-attribute
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+----------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute cannot be applied to` |nbsp| |+--------------------------------+|
- | ||:diagtext:`methods in protocols`||
- | |+--------------------------------+|
- | ||:diagtext:`dealloc` ||
- | |+--------------------------------+|
- +-----------------------------------------------------------------------------------------------------+----------------------------------+
- -Wreserved-id-macro
- -------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`macro name is a reserved identifier`|
- +--------------------------------------------------------------------------+
- -Wreserved-user-defined-literal
- -------------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wc++11-compat-reserved-user-defined-literal`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid suffix on literal; C++11 requires a space between literal and identifier`|
- +-----------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`invalid suffix on literal; C++11 requires a space between literal and identifier`|
- +-------------------------------------------------------------------------------------------------------------------+
- -Wretained-language-linkage
- ---------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`friend function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`retaining previous language linkage is an extension`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wreturn-stack-address
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`returning address of label, which is local`|
- +---------------------------------------------------------------------------------+
- +--------------------------------------------------------+--------------------------+------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`returning` |nbsp| |+------------------------+| |nbsp| :diagtext:`local temporary object`|
- | ||:diagtext:`address of` || |
- | |+------------------------+| |
- | ||:diagtext:`reference to`|| |
- | |+------------------------+| |
- +--------------------------------------------------------+--------------------------+------------------------------------------+
- +---------------------------+--------------------------+-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+------------------------+| |nbsp| :diagtext:`stack memory associated with local variable` |nbsp| :placeholder:`B` |nbsp| :diagtext:`returned`|
- | ||:diagtext:`address of` || |
- | |+------------------------+| |
- | ||:diagtext:`reference to`|| |
- | |+------------------------+| |
- +---------------------------+--------------------------+-------------------------------------------------------------------------------------------------------------------+
- -Wreturn-type
- -------------
- This diagnostic is enabled by default.
- Also controls `-Wreturn-type-c-linkage`_.
- **Diagnostic text:**
- +-----------------------+---------------------------+---------------------------------------------------------------------+
- |:error:`error:` |nbsp| |+-------------------------+| |nbsp| :placeholder:`A` |nbsp| :diagtext:`should not return a value`|
- | ||:diagtext:`void function`|| |
- | |+-------------------------+| |
- | ||:diagtext:`void method` || |
- | |+-------------------------+| |
- | ||:diagtext:`constructor` || |
- | |+-------------------------+| |
- | ||:diagtext:`destructor` || |
- | |+-------------------------+| |
- +-----------------------+---------------------------+---------------------------------------------------------------------+
- +---------------------------------------------------+----------------------+-----------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`non-void` |nbsp| |+--------------------+| |nbsp| :placeholder:`A` |nbsp| :diagtext:`should return a value`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`method` || |
- | |+--------------------+| |
- +---------------------------------------------------+----------------------+-----------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`control reaches end of coroutine; which is undefined behavior because the promise type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not declare 'return\_void()'`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void function`|
- +-------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`control reaches end of non-void lambda`|
- +-----------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`control may reach end of coroutine; which is undefined behavior because the promise type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not declare 'return\_void()'`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`control may reach end of non-void function`|
- +---------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`control may reach end of non-void lambda`|
- +-------------------------------------------------------------------------------+
- +---------------------------------------------------+----------------------+-----------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`non-void` |nbsp| |+--------------------+| |nbsp| :placeholder:`A` |nbsp| :diagtext:`should return a value`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`method` || |
- | |+--------------------+| |
- +---------------------------------------------------+----------------------+-----------------------------------------------------------------+
- -Wreturn-type-c-linkage
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has C-linkage specified, but returns user-defined type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`which is incompatible with C`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has C-linkage specified, but returns incomplete type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`which could be incompatible with C`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wrtti-for-exceptions
- ---------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicitly enabling rtti for exception handling`|
- +--------------------------------------------------------------------------------------+
- -Rsanitize-address
- ------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------+
- |:remark:`remark:` |nbsp| :diagtext:`-fsanitize-address-field-padding applied to` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------+
- |:remark:`remark:` |nbsp| :diagtext:`-fsanitize-address-field-padding ignored for` |nbsp| :placeholder:`A` |nbsp| :diagtext:`because it` |nbsp| |+------------------------------------+|
- | ||:diagtext:`is not C++` ||
- | |+------------------------------------+|
- | ||:diagtext:`is packed` ||
- | |+------------------------------------+|
- | ||:diagtext:`is a union` ||
- | |+------------------------------------+|
- | ||:diagtext:`is trivially copyable` ||
- | |+------------------------------------+|
- | ||:diagtext:`has trivial destructor` ||
- | |+------------------------------------+|
- | ||:diagtext:`is standard layout` ||
- | |+------------------------------------+|
- | ||:diagtext:`is in a blacklisted file`||
- | |+------------------------------------+|
- | ||:diagtext:`is blacklisted` ||
- | |+------------------------------------+|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------+
- -Wsection
- ---------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`section attribute is specified on redeclared variable`|
- +--------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`section does not match previous declaration`|
- +----------------------------------------------------------------------------------+
- -Wselector
- ----------
- Also controls `-Wselector-type-mismatch`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`no method with selector` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is implemented in this translation unit`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wselector-type-mismatch
- ------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`several methods with selector` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of mismatched types are found for the @selector expression`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wself-assign
- -------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wself-assign-field`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicitly assigning value of variable of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to itself`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- -Wself-assign-field
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------+-------------------------------+-----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`assigning` |nbsp| |+-----------------------------+| |nbsp| :diagtext:`to itself`|
- | ||:diagtext:`field` || |
- | |+-----------------------------+| |
- | ||:diagtext:`instance variable`|| |
- | |+-----------------------------+| |
- +--------------------------------------------------------+-------------------------------+-----------------------------+
- -Wself-move
- -----------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicitly moving variable of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to itself`|
- +------------------------------------------------------------------------------------------------------------------------------+
- -Wsemicolon-before-method-body
- ------------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`semicolon before method body is ignored`|
- +------------------------------------------------------------------------------+
- -Wsentinel
- ----------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------+-----------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing sentinel in` |nbsp| |+---------------------------+|
- | ||:diagtext:`function call` ||
- | |+---------------------------+|
- | ||:diagtext:`method dispatch`||
- | |+---------------------------+|
- | ||:diagtext:`block call` ||
- | |+---------------------------+|
- +------------------------------------------------------------------+-----------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`not enough variable arguments in` |nbsp| :placeholder:`A` |nbsp| :diagtext:`declaration to fit a sentinel`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsequence-point
- ----------------
- Synonym for `-Wunsequenced`_.
- -Wserialized-diagnostics
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unable to open file` |nbsp| :placeholder:`A` |nbsp| :diagtext:`for serializing diagnostics (`:placeholder:`B`:diagtext:`)`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unable to merge a subprocess's serialized diagnostics`|
- +--------------------------------------------------------------------------------------------+
- -Wshadow
- --------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wshadow-field-in-constructor-modified`_, `-Wshadow-ivar`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------+-------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration shadows a` |nbsp| |+-----------------------------------------------------------+|
- | ||:diagtext:`local variable` ||
- | |+-----------------------------------------------------------+|
- | ||+-----------------------------------------------+ ||
- | |||:diagtext:`variable in` |nbsp| :placeholder:`C`| ||
- | ||+-----------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- | ||+---------------------------------------------------------+||
- | |||:diagtext:`static data member of` |nbsp| :placeholder:`C`|||
- | ||+---------------------------------------------------------+||
- | |+-----------------------------------------------------------+|
- | ||+--------------------------------------------+ ||
- | |||:diagtext:`field of` |nbsp| :placeholder:`C`| ||
- | ||+--------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- | ||+----------------------------------------------+ ||
- | |||:diagtext:`typedef in` |nbsp| :placeholder:`C`| ||
- | ||+----------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- | ||+-------------------------------------------------+ ||
- | |||:diagtext:`type alias in` |nbsp| :placeholder:`C`| ||
- | ||+-------------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- +--------------------------------------------------------------------+-------------------------------------------------------------+
- -Wshadow-all
- ------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wshadow`_, `-Wshadow-field`_, `-Wshadow-field-in-constructor`_, `-Wshadow-uncaptured-local`_.
- -Wshadow-field
- --------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-static data member '`:placeholder:`A`:diagtext:`' of '`:placeholder:`B`:diagtext:`' shadows member inherited from type '`:placeholder:`C`:diagtext:`'`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wshadow-field-in-constructor
- -----------------------------
- Also controls `-Wshadow-field-in-constructor-modified`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`constructor parameter` |nbsp| :placeholder:`A` |nbsp| :diagtext:`shadows the field` |nbsp| :placeholder:`B` |nbsp| :diagtext:`of` |nbsp| :placeholder:`C`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wshadow-field-in-constructor-modified
- --------------------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`modifying constructor parameter` |nbsp| :placeholder:`A` |nbsp| :diagtext:`that shadows a field of` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wshadow-ivar
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`local declaration of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`hides instance variable`|
- +------------------------------------------------------------------------------------------------------------------------------+
- -Wshadow-uncaptured-local
- -------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------+-------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration shadows a` |nbsp| |+-----------------------------------------------------------+|
- | ||:diagtext:`local variable` ||
- | |+-----------------------------------------------------------+|
- | ||+-----------------------------------------------+ ||
- | |||:diagtext:`variable in` |nbsp| :placeholder:`C`| ||
- | ||+-----------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- | ||+---------------------------------------------------------+||
- | |||:diagtext:`static data member of` |nbsp| :placeholder:`C`|||
- | ||+---------------------------------------------------------+||
- | |+-----------------------------------------------------------+|
- | ||+--------------------------------------------+ ||
- | |||:diagtext:`field of` |nbsp| :placeholder:`C`| ||
- | ||+--------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- | ||+----------------------------------------------+ ||
- | |||:diagtext:`typedef in` |nbsp| :placeholder:`C`| ||
- | ||+----------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- | ||+-------------------------------------------------+ ||
- | |||:diagtext:`type alias in` |nbsp| :placeholder:`C`| ||
- | ||+-------------------------------------------------+ ||
- | |+-----------------------------------------------------------+|
- +--------------------------------------------------------------------+-------------------------------------------------------------+
- -Wshift-count-negative
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`shift count is negative`|
- +--------------------------------------------------------------+
- -Wshift-count-overflow
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`shift count >= width of type`|
- +-------------------------------------------------------------------+
- -Wshift-negative-value
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`shifting a negative signed value is undefined`|
- +------------------------------------------------------------------------------------+
- -Wshift-op-parentheses
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`operator '`:placeholder:`A`:diagtext:`' has lower precedence than '`:placeholder:`B`:diagtext:`'; '`:placeholder:`B`:diagtext:`' will be evaluated first`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wshift-overflow
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`signed shift result (`:placeholder:`A`:diagtext:`) requires` |nbsp| :placeholder:`B` |nbsp| :diagtext:`bits to represent, but` |nbsp| :placeholder:`C` |nbsp| :diagtext:`only has` |nbsp| :placeholder:`D` |nbsp| :diagtext:`bits`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wshift-sign-overflow
- ---------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`signed shift result (`:placeholder:`A`:diagtext:`) sets the sign bit of the shift expression's type (`:placeholder:`B`:diagtext:`) and becomes negative`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wshorten-64-to-32
- ------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion loses integer precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsign-compare
- --------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of integers of different signs:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsign-conversion
- -----------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion changes signedness:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`operand of ? changes signedness:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsign-promo
- ------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wsigned-enum-bitfield
- ----------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`enums in the Microsoft ABI are signed integers by default; consider giving the enum` |nbsp| :placeholder:`A` |nbsp| :diagtext:`an unsigned underlying type to make this code portable`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsizeof-array-argument
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`sizeof on array function parameter will return size of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`instead of` |nbsp| :placeholder:`B`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsizeof-array-decay
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`sizeof on pointer operation will return size of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`instead of` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsizeof-pointer-memaccess
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' call operates on objects of type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`while the size is based on a different type` |nbsp| :placeholder:`C`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+---------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`argument to 'sizeof' in` |nbsp| :placeholder:`A` |nbsp| :diagtext:`call is the same pointer type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`as the` |nbsp| |+-----------------------+|:diagtext:`; expected` |nbsp| :placeholder:`D` |nbsp| :diagtext:`or an explicit length`|
- | ||:diagtext:`destination`|| |
- | |+-----------------------+| |
- | ||:diagtext:`source` || |
- | |+-----------------------+| |
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+---------------------------------------------------------------------------------------+
- -Wslash-u-filename
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'/U`:placeholder:`A`:diagtext:`' treated as the '/U' option`|
- +--------------------------------------------------------------------------------------------------+
- -Wsometimes-uninitialized
- -------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+----------------------+--------------------------------------------------+--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is` |nbsp| |+--------------------+| |nbsp| :diagtext:`uninitialized whenever` |nbsp| |+------------------------------------------------------------------------------------------------------------+|
- | ||:diagtext:`used` || ||+---------------------------------------------------------------+-------------------+ ||
- | |+--------------------+| |||:diagtext:`'`:placeholder:`D`:diagtext:`' condition is` |nbsp| |+-----------------+| ||
- | ||:diagtext:`captured`|| ||| ||:diagtext:`true` || ||
- | |+--------------------+| ||| |+-----------------+| ||
- | | | ||| ||:diagtext:`false`|| ||
- | | | ||| |+-----------------+| ||
- | | | ||+---------------------------------------------------------------+-------------------+ ||
- | | | |+------------------------------------------------------------------------------------------------------------+|
- | | | ||+-------------------------------------------------------+--------------------------------------------------+||
- | | | |||:diagtext:`'`:placeholder:`D`:diagtext:`' loop` |nbsp| |+------------------------------------------------+|||
- | | | ||| ||:diagtext:`is entered` ||||
- | | | ||| |+------------------------------------------------+|||
- | | | ||| ||:diagtext:`exits because its condition is false`||||
- | | | ||| |+------------------------------------------------+|||
- | | | ||+-------------------------------------------------------+--------------------------------------------------+||
- | | | |+------------------------------------------------------------------------------------------------------------+|
- | | | ||+-------------------------------------------------------+--------------------------------------------------+||
- | | | |||:diagtext:`'`:placeholder:`D`:diagtext:`' loop` |nbsp| |+------------------------------------------------+|||
- | | | ||| ||:diagtext:`condition is true` ||||
- | | | ||| |+------------------------------------------------+|||
- | | | ||| ||:diagtext:`exits because its condition is false`||||
- | | | ||| |+------------------------------------------------+|||
- | | | ||+-------------------------------------------------------+--------------------------------------------------+||
- | | | |+------------------------------------------------------------------------------------------------------------+|
- | | | ||+----------------------------------------------------------------------+ ||
- | | | |||:diagtext:`switch` |nbsp| :placeholder:`D` |nbsp| :diagtext:`is taken`| ||
- | | | ||+----------------------------------------------------------------------+ ||
- | | | |+------------------------------------------------------------------------------------------------------------+|
- | | | ||:diagtext:`its declaration is reached` ||
- | | | |+------------------------------------------------------------------------------------------------------------+|
- | | | ||+---------------------------------------------+ ||
- | | | |||:placeholder:`D` |nbsp| :diagtext:`is called`| ||
- | | | ||+---------------------------------------------+ ||
- | | | |+------------------------------------------------------------------------------------------------------------+|
- +-----------------------------------------------------------------------------------------------------+----------------------+--------------------------------------------------+--------------------------------------------------------------------------------------------------------------+
- -Wsource-uses-openmp
- --------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`OpenMP only allows an ordered construct with the simd clause nested in a simd construct`|
- +------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unexpected '#pragma omp ...' in program`|
- +------------------------------------------------------------------------------+
- -Wspir-compat
- -------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`sampler initializer has invalid` |nbsp| :placeholder:`A` |nbsp| :diagtext:`bits`|
- +----------------------------------------------------------------------------------------------------------------------+
- -Wstack-protector
- -----------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstatic-float-init
- -------------------
- This diagnostic is enabled by default.
- Also controls `-Wgnu-static-float-init`_.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`in-class initializer for static data member of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires 'constexpr' specifier`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wstatic-in-inline
- ------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------+----------------------+-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`is used in an inline function with external linkage`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +-----------------------------------------------------+----------------------+-----------------------------------------------------------------------------------------------+
- +-----------------------------------------------------+----------------------+-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`is used in an inline function with external linkage`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +-----------------------------------------------------+----------------------+-----------------------------------------------------------------------------------------------+
- -Wstatic-inline-explicit-instantiation
- --------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------+--------------------+--------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '`|+------------------+|:diagtext:`' keyword on explicit template instantiation`|
- | ||:diagtext:`static`|| |
- | |+------------------+| |
- | ||:diagtext:`inline`|| |
- | |+------------------+| |
- +-------------------------------------------------+--------------------+--------------------------------------------------------+
- -Wstatic-local-in-inline
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`non-constant static local variable in inline function may be different in different files`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- -Wstatic-self-init
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`static variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is suspiciously used within its own initialization`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wstrict-aliasing
- -----------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-aliasing=0
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-aliasing=1
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-aliasing=2
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-overflow
- -----------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-overflow=0
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-overflow=1
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-overflow=2
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-overflow=3
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-overflow=4
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-overflow=5
- -------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wstrict-prototypes
- -------------------
- **Diagnostic text:**
- +---------------------------------------------------+--------------------------------------------------------------+-------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`this` |nbsp| |+------------------------------------------------------------+| |nbsp| :diagtext:`a prototype`|
- | ||:diagtext:`function declaration is not` || |
- | |+------------------------------------------------------------+| |
- | ||:diagtext:`block declaration is not` || |
- | |+------------------------------------------------------------+| |
- | ||:diagtext:`old-style function definition is not preceded by`|| |
- | |+------------------------------------------------------------+| |
- +---------------------------------------------------+--------------------------------------------------------------+-------------------------------+
- -Wstrict-prototypes
- -------------------
- **Diagnostic text:**
- +---------------------------------------------------+--------------------------------------------------------------+-------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`this` |nbsp| |+------------------------------------------------------------+| |nbsp| :diagtext:`a prototype`|
- | ||:diagtext:`function declaration is not` || |
- | |+------------------------------------------------------------+| |
- | ||:diagtext:`block declaration is not` || |
- | |+------------------------------------------------------------+| |
- | ||:diagtext:`old-style function definition is not preceded by`|| |
- | |+------------------------------------------------------------+| |
- +---------------------------------------------------+--------------------------------------------------------------+-------------------------------+
- -Wstrict-selector-match
- -----------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multiple methods named` |nbsp| :placeholder:`A` |nbsp| :diagtext:`found`|
- +--------------------------------------------------------------------------------------------------------------+
- -Wstring-compare
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------+------------------------------+--------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`result of comparison against` |nbsp| |+----------------------------+| |nbsp| :diagtext:`is unspecified (use strncmp instead)`|
- | ||:diagtext:`a string literal`|| |
- | |+----------------------------+| |
- | ||:diagtext:`@encode` || |
- | |+----------------------------+| |
- +---------------------------------------------------------------------------+------------------------------+--------------------------------------------------------+
- -Wstring-conversion
- -------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`implicit conversion turns string literal into bool:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wstring-plus-char
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`adding` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to a string pointer does not append to the string`|
- +------------------------------------------------------------------------------------------------------------------------------------------+
- -Wstring-plus-int
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`adding` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to a string does not append to the string`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- -Wstrlcpy-strlcat-size
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`size argument in` |nbsp| :placeholder:`A` |nbsp| :diagtext:`call appears to be size of the source; expected the size of the destination`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wstrncat-size
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the value of the size argument in 'strncat' is too large, might lead to a buffer overflow`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`size argument in 'strncat' call appears to be size of the source`|
- +-------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the value of the size argument to 'strncat' is wrong`|
- +-------------------------------------------------------------------------------------------+
- -Wsuper-class-method-mismatch
- -----------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`method parameter type` |nbsp| :diagtext:`does not match super class method parameter type`|
- +--------------------------------------------------------------------------------------------------------------------------------+
- -Wswitch
- --------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overflow converting case value to switch condition type (`:placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`:diagtext:`)`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+-----------------------------------------------------------------------------------------------+ ||
- | |||:diagtext:`:enumeration value` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not handled in switch`| ||
- | ||+-----------------------------------------------------------------------------------------------+ ||
- | |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+-----------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B` |nbsp| :diagtext:`and` |nbsp| :placeholder:`C` |nbsp| :diagtext:`not handled in switch`| ||
- | ||+-----------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`, and` |nbsp| :placeholder:`D` |nbsp| :diagtext:`not handled in switch`| ||
- | ||+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
- | |||:diagtext:`:`:placeholder:`A` |nbsp| :diagtext:`enumeration values not handled in switch:` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`,` |nbsp| :placeholder:`D`:diagtext:`...`|||
- | ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
- | |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- +---------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`case value not in enumerated type` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------------------------+
- -Wswitch-bool
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`switch condition has boolean value`|
- +-------------------------------------------------------------------------+
- -Wswitch-default
- ----------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wswitch-enum
- -------------
- **Diagnostic text:**
- +---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+----------------------------------------------------------------------------------------------------------+ ||
- | |||:diagtext:`:enumeration value` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not explicitly handled in switch`| ||
- | ||+----------------------------------------------------------------------------------------------------------+ ||
- | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B` |nbsp| :diagtext:`and` |nbsp| :placeholder:`C` |nbsp| :diagtext:`not explicitly handled in switch`| ||
- | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`, and` |nbsp| :placeholder:`D` |nbsp| :diagtext:`not explicitly handled in switch`| ||
- | ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
- | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
- | |||:diagtext:`:`:placeholder:`A` |nbsp| :diagtext:`enumeration values not explicitly handled in switch:` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`,` |nbsp| :placeholder:`D`:diagtext:`...`|||
- | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
- | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
- +---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsync-fetch-and-nand-semantics-changed
- ---------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the semantics of this intrinsic changed with GCC version 4.4 - the newer semantics are provided here`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wsynth
- -------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wtautological-compare
- ----------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wtautological-constant-compare`_, `-Wtautological-overlap-compare`_, `-Wtautological-pointer-compare`_, `-Wtautological-undefined-compare`_.
- **Diagnostic text:**
- +---------------------------+---------------------------+--------------------------------------------------+------------------------+
- |:warning:`warning:` |nbsp| |+-------------------------+|:diagtext:`comparison always evaluates to` |nbsp| |+----------------------+|
- | ||:diagtext:`self-` || ||:diagtext:`false` ||
- | |+-------------------------+| |+----------------------+|
- | ||:diagtext:`array` |nbsp| || ||:diagtext:`true` ||
- | |+-------------------------+| |+----------------------+|
- | | | ||:diagtext:`a constant`||
- | | | |+----------------------+|
- +---------------------------+---------------------------+--------------------------------------------------+------------------------+
- +-------------------------------------------------------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`bitwise comparison always evaluates to` |nbsp| |+-----------------+|
- | ||:diagtext:`false`||
- | |+-----------------+|
- | ||:diagtext:`true` ||
- | |+-----------------+|
- +-------------------------------------------------------------------------------------+-------------------+
- -Wtautological-constant-compare
- -------------------------------
- This diagnostic is enabled by default.
- Also controls `-Wtautological-constant-out-of-range-compare`_, `-Wtautological-unsigned-enum-zero-compare`_, `-Wtautological-unsigned-zero-compare`_.
- **Diagnostic text:**
- +---------------------------------------------------------+------------------+--------------------------------+------------------+-------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison` |nbsp| |+----------------+| |nbsp| :placeholder:`C` |nbsp| |+----------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+|
- | ||:placeholder:`D`|| ||:placeholder:`B`|| ||:diagtext:`false`||
- | |+----------------+| |+----------------+| |+-----------------+|
- | ||:placeholder:`B`|| ||:placeholder:`D`|| ||:diagtext:`true` ||
- | |+----------------+| |+----------------+| |+-----------------+|
- +---------------------------------------------------------+------------------+--------------------------------+------------------+-------------------------------------+-------------------+
- -Wtautological-constant-out-of-range-compare
- --------------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+----------------------------------------------+| |nbsp| :diagtext:`with` |nbsp| |+--------------------------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+|
- | ||+--------------------------------------------+|| ||+------------------------------------------------------+|| ||:diagtext:`false`||
- | |||:diagtext:`constant` |nbsp| :placeholder:`A`||| |||:diagtext:`expression of type` |nbsp| :placeholder:`C`||| |+-----------------+|
- | ||+--------------------------------------------+|| ||+------------------------------------------------------+|| ||:diagtext:`true` ||
- | |+----------------------------------------------+| |+--------------------------------------------------------+| |+-----------------+|
- | ||:diagtext:`true` || ||:diagtext:`boolean expression` || | |
- | |+----------------------------------------------+| |+--------------------------------------------------------+| | |
- | ||:diagtext:`false` || | | | |
- | |+----------------------------------------------+| | | | |
- +------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-------------------------------------+-------------------+
- -Wtautological-overlap-compare
- ------------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`overlapping comparisons always evaluate to` |nbsp| |+-----------------+|
- | ||:diagtext:`false`||
- | |+-----------------+|
- | ||:diagtext:`true` ||
- | |+-----------------+|
- +-----------------------------------------------------------------------------------------+-------------------+
- -Wtautological-pointer-compare
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------+---------------------------+----------------------------------------------------------+-------------------------+----------------------------------------+-------------------+--------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of nonnull` |nbsp| |+-------------------------+| |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`'` |nbsp| |+-----------------------+|:diagtext:`equal to a null pointer is '`|+-----------------+|:diagtext:`' on first encounter`|
- | ||:diagtext:`function call`|| ||:diagtext:`not` |nbsp| || ||:diagtext:`true` || |
- | |+-------------------------+| |+-----------------------+| |+-----------------+| |
- | ||:diagtext:`parameter` || || || ||:diagtext:`false`|| |
- | |+-------------------------+| |+-----------------------+| |+-----------------+| |
- +--------------------------------------------------------------------+---------------------------+----------------------------------------------------------+-------------------------+----------------------------------------+-------------------+--------------------------------+
- +------------------------------------------------------------+------------------------+----------------------------------------------------------+-------------------------+-----------------------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+----------------------+| |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`'` |nbsp| |+-----------------------+|:diagtext:`equal to a null pointer is always` |nbsp| |+-----------------+|
- | ||:diagtext:`address of`|| ||:diagtext:`not` |nbsp| || ||:diagtext:`true` ||
- | |+----------------------+| |+-----------------------+| |+-----------------+|
- | ||:diagtext:`function` || || || ||:diagtext:`false`||
- | |+----------------------+| |+-----------------------+| |+-----------------+|
- | ||:diagtext:`array` || | | | |
- | |+----------------------+| | | | |
- +------------------------------------------------------------+------------------------+----------------------------------------------------------+-------------------------+-----------------------------------------------------+-------------------+
- -Wtautological-undefined-compare
- --------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reference cannot be bound to dereferenced null pointer in well-defined C++ code; comparison may be assumed to always evaluate to` |nbsp| |+-----------------+|
- | ||:diagtext:`true` ||
- | |+-----------------+|
- | ||:diagtext:`false`||
- | |+-----------------+|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'this' pointer cannot be null in well-defined C++ code; comparison may be assumed to always evaluate to` |nbsp| |+-----------------+|
- | ||:diagtext:`true` ||
- | |+-----------------+|
- | ||:diagtext:`false`||
- | |+-----------------+|
- +------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+
- -Wtautological-unsigned-enum-zero-compare
- -----------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+------------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+|
- | ||:placeholder:`D` || ||:diagtext:`unsigned enum expression`|| ||:diagtext:`false`||
- | |+------------------------------------+| |+------------------------------------+| |+-----------------+|
- | ||:diagtext:`unsigned enum expression`|| ||:placeholder:`D` || ||:diagtext:`true` ||
- | |+------------------------------------+| |+------------------------------------+| |+-----------------+|
- +------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-------------------------------------+-------------------+
- -Wtautological-unsigned-zero-compare
- ------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-------------------------------------+-------------------+
- |:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+-------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+-------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+|
- | ||:placeholder:`D` || ||:diagtext:`unsigned expression`|| ||:diagtext:`false`||
- | |+-------------------------------+| |+-------------------------------+| |+-----------------+|
- | ||:diagtext:`unsigned expression`|| ||:placeholder:`D` || ||:diagtext:`true` ||
- | |+-------------------------------+| |+-------------------------------+| |+-----------------+|
- +------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-------------------------------------+-------------------+
- -Wtentative-definition-incomplete-type
- --------------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`tentative definition of variable with internal linkage has incomplete non-array type` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wthread-safety
- ---------------
- Controls `-Wthread-safety-analysis`_, `-Wthread-safety-attributes`_, `-Wthread-safety-precise`_, `-Wthread-safety-reference`_.
- -Wthread-safety-analysis
- ------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' must be acquired before '`:placeholder:`C`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`Cycle in acquired\_before/after dependencies, starting with '`:placeholder:`A`:diagtext:`'`|
- +---------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cannot resolve lock expression`|
- +---------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`acquiring` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' that is already held`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expecting` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' to be held at start of each loop`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expecting` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' to be held at the end of function`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`cannot call function '`:placeholder:`B`:diagtext:`' while` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`C`:diagtext:`' is held`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`calling function '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||+------------------------------------------+ ||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||+------------------------------------------+ ||
- | |+--------------------------------------------------------+|
- | ||+------------------------------------------------------+||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | ||+------------------------------------------------------+||
- | |+--------------------------------------------------------+|
- +---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' is acquired exclusively and shared in the same scope`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' is not held on every path through here`|
- +------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' is still held at the end of function`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`releasing` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' that was not held`|
- +--------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+-----------------------+--------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`releasing` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' using` |nbsp| |+---------------------+| |nbsp| :diagtext:`access, expected` |nbsp| |+---------------------+| |nbsp| :diagtext:`access`|
- | ||:diagtext:`shared` || ||:diagtext:`shared` || |
- | |+---------------------+| |+---------------------+| |
- | ||:diagtext:`exclusive`|| ||:diagtext:`exclusive`|| |
- | |+---------------------+| |+---------------------+| |
- +----------------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+-----------------------+--------------------------+
- +---------------------------+---------------------+---------------------------------------------------------------------------------------------------+-----------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by '`:placeholder:`A`:diagtext:`' requires holding` |nbsp| |+---------------------------------+|
- | ||:diagtext:`reading`|| ||:diagtext:`any mutex` ||
- | |+-------------------+| |+---------------------------------+|
- | ||:diagtext:`writing`|| ||:diagtext:`any mutex exclusively`||
- | |+-------------------+| |+---------------------------------+|
- +---------------------------+---------------------+---------------------------------------------------------------------------------------------------+-----------------------------------+
- +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
- | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
- | |+-------------------+| |+--------------------------------------------------------+|
- | | | ||+------------------------------------------------------+||
- | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | | | ||+------------------------------------------------------+||
- | | | |+--------------------------------------------------------+|
- +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- +---------------------------+---------------------+------------------------------------------------------------------------------------+-----------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable '`:placeholder:`A`:diagtext:`' requires holding` |nbsp| |+---------------------------------+|
- | ||:diagtext:`reading`|| ||:diagtext:`any mutex` ||
- | |+-------------------+| |+---------------------------------+|
- | ||:diagtext:`writing`|| ||:diagtext:`any mutex exclusively`||
- | |+-------------------+| |+---------------------------------+|
- +---------------------------+---------------------+------------------------------------------------------------------------------------+-----------------------------------+
- +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
- | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
- | |+-------------------+| |+--------------------------------------------------------+|
- | | | ||+------------------------------------------------------+||
- | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | | | ||+------------------------------------------------------+||
- | | | |+--------------------------------------------------------+|
- +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- -Wthread-safety-attributes
- --------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`invalid capability name '`:placeholder:`A`:diagtext:`'; capability name must be 'mutex' or 'role'`|
- +----------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute requires arguments whose type is annotated with 'capability' attribute; type here is` |nbsp| :placeholder:`B`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute can only be applied in a context annotated with 'capability("mutex")' attribute`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`only applies to pointer types; type here is` |nbsp| :placeholder:`B`|
- +----------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute because its argument is invalid`|
- +------------------------------------------------------------------------------------------------------------------------------------+
- -Wthread-safety-beta
- --------------------
- **Diagnostic text:**
- +------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`Thread safety beta warning.`|
- +------------------------------------------------------------------+
- -Wthread-safety-negative
- ------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`acquiring` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' requires negative capability '`:placeholder:`C`:diagtext:`'`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wthread-safety-precise
- -----------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`calling function '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||+------------------------------------------+ ||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||+------------------------------------------+ ||
- | |+--------------------------------------------------------+|
- | ||+------------------------------------------------------+||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | ||+------------------------------------------------------+||
- | |+--------------------------------------------------------+|
- +---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
- | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
- | |+-------------------+| |+--------------------------------------------------------+|
- | | | ||+------------------------------------------------------+||
- | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | | | ||+------------------------------------------------------+||
- | | | |+--------------------------------------------------------+|
- +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
- | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
- | |+-------------------+| |+--------------------------------------------------------+|
- | | | ||+------------------------------------------------------+||
- | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | | | ||+------------------------------------------------------+||
- | | | |+--------------------------------------------------------+|
- +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- -Wthread-safety-reference
- -------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`passing variable '`:placeholder:`B`:diagtext:`' by reference requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||+------------------------------------------+ ||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||+------------------------------------------+ ||
- | |+--------------------------------------------------------+|
- | ||+------------------------------------------------------+||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | ||+------------------------------------------------------+||
- | |+--------------------------------------------------------+|
- +----------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`passing the value that '`:placeholder:`B`:diagtext:`' points to by reference requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
- | ||+------------------------------------------+ ||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
- | ||+------------------------------------------+ ||
- | |+--------------------------------------------------------+|
- | ||+------------------------------------------------------+||
- | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
- | ||+------------------------------------------------------+||
- | |+--------------------------------------------------------+|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
- -Wthread-safety-verbose
- -----------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`Thread safety verbose warning.`|
- +---------------------------------------------------------------------+
- -Wtrigraphs
- -----------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`trigraph converted to '`:placeholder:`A`:diagtext:`' character`|
- +-----------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`trigraph ends block comment`|
- +------------------------------------------------------------------+
- +-------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`trigraph ignored`|
- +-------------------------------------------------------+
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignored trigraph would end block comment`|
- +-------------------------------------------------------------------------------+
- -Wtype-limits
- -------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wtype-safety
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`specified` |nbsp| :placeholder:`A` |nbsp| :diagtext:`type tag requires a null pointer`|
- +----------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`argument type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`doesn't match specified` |nbsp| :placeholder:`B` |nbsp| :diagtext:`type tag` |nbsp| |+---------------------------------------------------+|
- | ||+-------------------------------------------------+||
- | |||:diagtext:`that requires` |nbsp| :placeholder:`D`|||
- | ||+-------------------------------------------------+||
- | |+---------------------------------------------------+|
- | || ||
- | |+---------------------------------------------------+|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------+
- +---------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`this type tag was not designed to be used with this function`|
- +---------------------------------------------------------------------------------------------------+
- -Wtypedef-redefinition
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redefinition of typedef` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is a C11 feature`|
- +--------------------------------------------------------------------------------------------------------------------------+
- -Wtypename-missing
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`missing 'typename' prior to dependent type name '`:placeholder:`A`:placeholder:`B`:diagtext:`'`|
- +-------------------------------------------------------------------------------------------------------------------------------------+
- -Wunable-to-open-stats-file
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unable to open statistics output file '`:placeholder:`A`:diagtext:`': '`:placeholder:`B`:diagtext:`'`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunavailable-declarations
- --------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`may be unavailable because the receiver type is unknown`|
- +----------------------------------------------------------------------------------------------------------------------+
- -Wundeclared-selector
- ---------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`undeclared selector` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`undeclared selector` |nbsp| :placeholder:`A`:diagtext:`; did you mean` |nbsp| :placeholder:`B`:diagtext:`?`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wundef
- -------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not defined, evaluates to 0`|
- +---------------------------------------------------------------------------------------------+
- -Wundefined-bool-conversion
- ---------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reference cannot be bound to dereferenced null pointer in well-defined C++ code; pointer may be assumed to always convert to true`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'this' pointer cannot be null in well-defined C++ code; pointer may be assumed to always convert to true`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- -Wundefined-func-template
- -------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`instantiation of function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`required here, but no definition is available`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wundefined-inline
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`inline function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not defined`|
- +----------------------------------------------------------------------------------------------------------------+
- -Wundefined-internal
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+----------------------+-----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`has internal linkage but is not defined`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +---------------------------+----------------------+-----------------------------------------------------------------------------------+
- -Wundefined-internal-type
- -------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------+----------------------+----------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++ requires a definition in this translation unit for` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`because its type does not have linkage`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +---------------------------------------------------------------------------------------------------------+----------------------+----------------------------------------------------------------------------------+
- -Wundefined-reinterpret-cast
- ----------------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`dereference of type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`that was reinterpret\_cast from type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has undefined behavior`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reinterpret\_cast from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has undefined behavior`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wundefined-var-template
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`instantiation of variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`required here, but no definition is available`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunevaluated-expression
- ------------------------
- This diagnostic is enabled by default.
- Also controls `-Wpotentially-evaluated-expression`_.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expression with side effects has no effect in an unevaluated context`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wunguarded-availability
- ------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wunguarded-availability-new`_.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is only available on` |nbsp| :placeholder:`B` |nbsp| :placeholder:`C` |nbsp| :diagtext:`or newer`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunguarded-availability-new
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is only available on` |nbsp| :placeholder:`B` |nbsp| :placeholder:`C` |nbsp| :diagtext:`or newer`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunicode
- ---------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incomplete universal character name; treating as '\\' followed by identifier`|
- +-------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\\`:placeholder:`A` |nbsp| :diagtext:`used with no following hex digits; treating as '\\' followed by identifier`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`universal character name refers to a surrogate character`|
- +-----------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`universal character names are only valid in C99 or C++; treating as '\\' followed by identifier`|
- +--------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`universal character names are only valid in C99 or C++`|
- +---------------------------------------------------------------------------------------------+
- -Wunicode-whitespace
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`treating Unicode character as whitespace`|
- +-------------------------------------------------------------------------------+
- -Wuninitialized
- ---------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wsometimes-uninitialized`_, `-Wstatic-self-init`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`base class` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is uninitialized when used here to access` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is uninitialized when used here`|
- +-----------------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reference` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not yet bound to a value when used here`|
- +--------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`block pointer variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is uninitialized when captured by block`|
- +------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is uninitialized when used within its own initialization`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`reference` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not yet bound to a value when used within its own initialization`|
- +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------------------------------------------------------+-------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is uninitialized when` |nbsp| |+-----------------------------+|
- | ||:diagtext:`used here` ||
- | |+-----------------------------+|
- | ||:diagtext:`captured by block`||
- | |+-----------------------------+|
- +------------------------------------------------------------------------------------------------------------------------+-------------------------------+
- -Wunknown-argument
- ------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown argument ignored in clang-cl: '`:placeholder:`A`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wunknown-attributes
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wunknown-escape-sequence
- -------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown escape sequence '\\`:placeholder:`A`:diagtext:`'`|
- +-----------------------------------------------------------------------------------------------+
- -Wunknown-pragmas
- -----------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected 'ON' or 'OFF' or 'DEFAULT' in pragma`|
- +------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expected end of directive in pragma`|
- +--------------------------------------------------------------------------+
- +-----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown pragma in STDC namespace`|
- +-----------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pragma diagnostic pop could not pop, no matching push`|
- +--------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop'`|
- +--------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pragma diagnostic expected option name (e.g. "-Wundef")`|
- +----------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unexpected token in pragma diagnostic`|
- +----------------------------------------------------------------------------+
- +-------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown pragma ignored`|
- +-------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pragma include\_alias expected '`:placeholder:`A`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pragma include\_alias expected include filename`|
- +--------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`angle-bracketed include <`:placeholder:`A`:diagtext:`> cannot be aliased to double-quoted include "`:placeholder:`B`:diagtext:`"`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`double-quoted include "`:placeholder:`A`:diagtext:`" cannot be aliased to angle-bracketed include <`:placeholder:`B`:diagtext:`>`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma warning expected '`:placeholder:`A`:diagtext:`'`|
- +----------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma warning expected a warning number`|
- +--------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma warning(push, level) requires a level between 0 and 4`|
- +----------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`#pragma warning expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`pragma STDC FENV\_ACCESS ON is not supported, ignoring pragma`|
- +----------------------------------------------------------------------------------------------------+
- -Wunknown-sanitizers
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown sanitizer '`:placeholder:`A`:diagtext:`' ignored`|
- +-----------------------------------------------------------------------------------------------+
- -Wunknown-warning-option
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown warning group '`:placeholder:`A`:diagtext:`', ignored`|
- +----------------------------------------------------------------------------------------------------+
- +------------------------------------------------------+---------------------+---------------------------------------------------------+--------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown` |nbsp| |+-------------------+| |nbsp| :diagtext:`option '`:placeholder:`B`:diagtext:`'`|+------------------------------------------------------------+|
- | ||:diagtext:`warning`|| || ||
- | |+-------------------+| |+------------------------------------------------------------+|
- | ||:diagtext:`remark` || ||+----------------------------------------------------------+||
- | |+-------------------+| |||:diagtext:`; did you mean '`:placeholder:`D`:diagtext:`'?`|||
- | | | ||+----------------------------------------------------------+||
- | | | |+------------------------------------------------------------+|
- +------------------------------------------------------+---------------------+---------------------------------------------------------+--------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unknown` |nbsp| :placeholder:`A` |nbsp| :diagtext:`warning specifier: '`:placeholder:`B`:diagtext:`'`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunnamed-type-template-args
- ----------------------------
- Some of the diagnostics controlled by this flag are enabled by default.
- Also controls `-Wc++98-compat-unnamed-type-template-args`_.
- **Diagnostic text:**
- +--------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`template argument uses unnamed type`|
- +--------------------------------------------------------------------------+
- -Wunneeded-internal-declaration
- -------------------------------
- **Diagnostic text:**
- +---------------------------+----------------------+---------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| |+--------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`is not needed and will not be emitted`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +---------------------------+----------------------+---------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'static' function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`declared in header file should be declared 'static inline'`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunneeded-member-function
- --------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`member function` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not needed and will not be emitted`|
- +---------------------------------------------------------------------------------------------------------------------------------------+
- -Wunreachable-code
- ------------------
- Also controls `-Wunreachable-code-loop-increment`_.
- **Diagnostic text:**
- +------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`code will never be executed`|
- +------------------------------------------------------------------+
- -Wunreachable-code-aggressive
- -----------------------------
- Controls `-Wunreachable-code`_, `-Wunreachable-code-break`_, `-Wunreachable-code-return`_.
- -Wunreachable-code-break
- ------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'break' will never be executed`|
- +---------------------------------------------------------------------+
- -Wunreachable-code-loop-increment
- ---------------------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`loop will run at most once (loop increment never executed)`|
- +-------------------------------------------------------------------------------------------------+
- -Wunreachable-code-return
- -------------------------
- **Diagnostic text:**
- +----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`'return' will never be executed`|
- +----------------------------------------------------------------------+
- -Wunsequenced
- -------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`multiple unsequenced modifications to` |nbsp| :placeholder:`A`|
- +----------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unsequenced modification and access to` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------------------+
- -Wunsupported-abs
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mabs=2008' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mabs=legacy' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunsupported-availability-guard
- --------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+------------------------------------+--------------------------------------------------------------+------------------------------------+---------------------+
- |:warning:`warning:` |nbsp| |+----------------------------------+| |nbsp| :diagtext:`does not guard availability here; use if (`|+----------------------------------+|:diagtext:`) instead`|
- | ||:diagtext:`@available` || ||:diagtext:`@available` || |
- | |+----------------------------------+| |+----------------------------------+| |
- | ||:diagtext:`\_\_builtin\_available`|| ||:diagtext:`\_\_builtin\_available`|| |
- | |+----------------------------------+| |+----------------------------------+| |
- +---------------------------+------------------------------------+--------------------------------------------------------------+------------------------------------+---------------------+
- -Wunsupported-cb
- ----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mcompact-branches=' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunsupported-dll-base-class-template
- -------------------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------+------------------------------------+------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`propagating dll attribute to` |nbsp| |+----------------------------------+| |nbsp| :diagtext:`base class template without dll attribute is not supported`|
- | ||:diagtext:`already instantiated` || |
- | |+----------------------------------+| |
- | ||:diagtext:`explicitly specialized`|| |
- | |+----------------------------------+| |
- +---------------------------------------------------------------------------+------------------------------------+------------------------------------------------------------------------------+
- -Wunsupported-friend
- --------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`dependent nested name specifier '`:placeholder:`A`:diagtext:`' for friend template declaration is not supported; ignoring this friend declaration`|
- +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`dependent nested name specifier '`:placeholder:`A`:diagtext:`' for friend class declaration is not supported; turning off access control for` |nbsp| :placeholder:`B`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunsupported-gpopt
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mgpopt' option as it cannot be used with` |nbsp| |+-----------------------------------------+|:diagtext:`-mabicalls`|
- | || || |
- | |+-----------------------------------------+| |
- | ||:diagtext:`the implicit usage of` |nbsp| || |
- | |+-----------------------------------------+| |
- +--------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+
- -Wunsupported-nan
- -----------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mnan=2008' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------+
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mnan=legacy' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunsupported-visibility
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`target does not support 'protected' visibility; using 'default'`|
- +------------------------------------------------------------------------------------------------------+
- -Wunusable-partial-specialization
- ---------------------------------
- This diagnostic is an error by default, but the flag ``-Wno-unusable-partial-specialization`` can be used to disable the error.
- **Diagnostic text:**
- +-----------------------+----------------------+--------------------------------------------------------------------+----------------------------------+------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| |+--------------------+| |nbsp| :diagtext:`template partial specialization contains` |nbsp| |+--------------------------------+| |nbsp| :diagtext:`that cannot be deduced; this partial specialization will never be used`|
- | ||:diagtext:`class` || ||:diagtext:`a template parameter`|| |
- | |+--------------------+| |+--------------------------------+| |
- | ||:diagtext:`variable`|| ||:diagtext:`template parameters` || |
- | |+--------------------+| |+--------------------------------+| |
- +-----------------------+----------------------+--------------------------------------------------------------------+----------------------------------+------------------------------------------------------------------------------------------+
- -Wunused
- --------
- Some of the diagnostics controlled by this flag are enabled by default.
- Controls `-Wunused-argument`_, `-Wunused-function`_, `-Wunused-label`_, `-Wunused-lambda-capture`_, `-Wunused-local-typedef`_, `-Wunused-private-field`_, `-Wunused-property-ivar`_, `-Wunused-value`_, `-Wunused-variable`_.
- -Wunused-argument
- -----------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wunused-command-line-argument
- ------------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`argument '`:placeholder:`A`:diagtext:`' requires profile-guided optimization information`|
- +-------------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`joined argument expects additional value: '`:placeholder:`A`:diagtext:`'`|
- +---------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------+----------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A`:diagtext:`: '`:placeholder:`B`:diagtext:`' input unused`|+--------------------------------------------------------------------+|
- | ||+------------------------------------------------------------------+||
- | ||| |nbsp| :diagtext:`when '`:placeholder:`D`:diagtext:`' is present`|||
- | ||+------------------------------------------------------------------+||
- | |+--------------------------------------------------------------------+|
- | || ||
- | |+--------------------------------------------------------------------+|
- +----------------------------------------------------------------------------------------------------+----------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A`:diagtext:`: '`:placeholder:`B`:diagtext:`' input unused in cpp mode`|
- +----------------------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------+-----------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A`:diagtext:`: previously preprocessed input`|+---------------------------------------------------------------------------+|
- | ||+-------------------------------------------------------------------------+||
- | ||| |nbsp| :diagtext:`unused when '`:placeholder:`C`:diagtext:`' is present`|||
- | ||+-------------------------------------------------------------------------+||
- | |+---------------------------------------------------------------------------+|
- | || ||
- | |+---------------------------------------------------------------------------+|
- +--------------------------------------------------------------------------------------+-----------------------------------------------------------------------------+
- +---------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`argument unused during compilation: '`:placeholder:`A`:diagtext:`'`|
- +---------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`the flag '`:placeholder:`A`:diagtext:`' has been deprecated and will be ignored`|
- +----------------------------------------------------------------------------------------------------------------------+
- -Wunused-comparison
- -------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------+-----------------------------------------+--------------------------------------------+
- |:warning:`warning:` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`comparison result unused`|
- | ||+----------------+--------------------+|| |
- | |||+--------------+|:diagtext:`equality`||| |
- | |||| || ||| |
- | |||+--------------+| ||| |
- | ||||:diagtext:`in`|| ||| |
- | |||+--------------+| ||| |
- | ||+----------------+--------------------+|| |
- | |+---------------------------------------+| |
- | ||:diagtext:`relational` || |
- | |+---------------------------------------+| |
- +---------------------------+-----------------------------------------+--------------------------------------------+
- -Wunused-const-variable
- -----------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused variable` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------+
- -Wunused-exception-parameter
- ----------------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused exception parameter` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------+
- -Wunused-function
- -----------------
- Also controls `-Wunneeded-internal-declaration`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused function` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------+
- -Wunused-getter-return-value
- ----------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`property access result unused - getters should not be used for side effects`|
- +------------------------------------------------------------------------------------------------------------------+
- -Wunused-label
- --------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused label` |nbsp| :placeholder:`A`|
- +---------------------------------------------------------------------------+
- -Wunused-lambda-capture
- -----------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------+--------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`lambda capture` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not` |nbsp| |+------------------------------------------------+|
- | ||:diagtext:`used` ||
- | |+------------------------------------------------+|
- | ||:diagtext:`required to be captured for this use`||
- | |+------------------------------------------------+|
- +---------------------------------------------------------------------------------------------------------------+--------------------------------------------------+
- -Wunused-local-typedef
- ----------------------
- **Diagnostic text:**
- +-----------------------------------------------------+------------------------+------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused` |nbsp| |+----------------------+| |nbsp| :placeholder:`B`|
- | ||:diagtext:`typedef` || |
- | |+----------------------+| |
- | ||:diagtext:`type alias`|| |
- | |+----------------------+| |
- +-----------------------------------------------------+------------------------+------------------------+
- -Wunused-local-typedefs
- -----------------------
- Synonym for `-Wunused-local-typedef`_.
- -Wunused-macros
- ---------------
- **Diagnostic text:**
- +--------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`macro is not used`|
- +--------------------------------------------------------+
- -Wunused-member-function
- ------------------------
- Also controls `-Wunneeded-member-function`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused member function` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------+
- -Wunused-parameter
- ------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused parameter` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------+
- -Wunused-private-field
- ----------------------
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`private field` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not used`|
- +-----------------------------------------------------------------------------------------------------------+
- -Wunused-property-ivar
- ----------------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ivar` |nbsp| :placeholder:`A` |nbsp| :diagtext:`which backs the property is not referenced in this property's accessor`|
- +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunused-result
- ---------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring return value of function declared with` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- -Wunused-template
- -----------------
- Also controls `-Wunneeded-internal-declaration`_.
- **Diagnostic text:**
- +-----------------------------------------------------+----------------------+----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused` |nbsp| |+--------------------+| |nbsp| :diagtext:`template` |nbsp| :placeholder:`B`|
- | ||:diagtext:`function`|| |
- | |+--------------------+| |
- | ||:diagtext:`variable`|| |
- | |+--------------------+| |
- +-----------------------------------------------------+----------------------+----------------------------------------------------+
- -Wunused-value
- --------------
- This diagnostic is enabled by default.
- Also controls `-Wunevaluated-expression`_, `-Wunused-comparison`_, `-Wunused-result`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ignoring return value of function declared with` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute`|
- +-------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`container access result unused - container access should not be used for side effects`|
- +----------------------------------------------------------------------------------------------------------------------------+
- +---------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expression result unused`|
- +---------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expression result unused; should this cast be to 'void'?`|
- +-----------------------------------------------------------------------------------------------+
- -Wunused-variable
- -----------------
- Also controls `-Wunused-const-variable`_.
- **Diagnostic text:**
- +------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`unused variable` |nbsp| :placeholder:`A`|
- +------------------------------------------------------------------------------+
- -Wunused-volatile-lvalue
- ------------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`expression result unused; assign into a variable to force a volatile load`|
- +----------------------------------------------------------------------------------------------------------------+
- -Wused-but-marked-unused
- ------------------------
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`was marked unused but was used`|
- +---------------------------------------------------------------------------------------------+
- -Wuser-defined-literals
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------+----------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`user-defined literal suffixes not starting with '\_' are reserved`|+--------------------------------------------------+|
- | ||:diagtext:`; no literal will invoke this operator`||
- | |+--------------------------------------------------+|
- | || ||
- | |+--------------------------------------------------+|
- +--------------------------------------------------------------------------------------------------------+----------------------------------------------------+
- -Wuser-defined-warnings
- -----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- The text of this diagnostic is not controlled by Clang.
- -Wvarargs
- ---------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +-----------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`second argument to 'va\_start' is not the last named parameter`|
- +-----------------------------------------------------------------------------------------------------+
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`second argument to 'va\_arg' is of promotable type` |nbsp| :placeholder:`A`:diagtext:`; this va\_arg has undefined behavior because arguments will be promoted to` |nbsp| :placeholder:`B`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------+-----------------------------------------------------------------+---------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`passing` |nbsp| |+---------------------------------------------------------------+| |nbsp| :diagtext:`to 'va\_start' has undefined behavior`|
- | ||:diagtext:`an object that undergoes default argument promotion`|| |
- | |+---------------------------------------------------------------+| |
- | ||:diagtext:`an object of reference type` || |
- | |+---------------------------------------------------------------+| |
- | ||:diagtext:`a parameter declared with the 'register' keyword` || |
- | |+---------------------------------------------------------------+| |
- +------------------------------------------------------+-----------------------------------------------------------------+---------------------------------------------------------+
- -Wvariadic-macros
- -----------------
- Some of the diagnostics controlled by this flag are enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`named variadic macros are a GNU extension`|
- +--------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`\_\_VA\_OPT\_\_ can only appear in the expansion of a variadic macro`|
- +-----------------------------------------------------------------------------------------------------------+
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variadic macros are a C99 feature`|
- +------------------------------------------------------------------------+
- -Wvec-elem-size
- ---------------
- This diagnostic is an error by default, but the flag ``-Wno-vec-elem-size`` can be used to disable the error.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:error:`error:` |nbsp| :diagtext:`vector operands do not have the same elements sizes (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`)`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wvector-conversion
- -------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------+----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`incompatible vector types` |nbsp| |+--------------------------------------------------------------+|
- | ||:diagtext:`assigning to different types` ||
- | |+--------------------------------------------------------------+|
- | ||:diagtext:`passing to parameter of different type` ||
- | |+--------------------------------------------------------------+|
- | ||:diagtext:`returning from function with different return type`||
- | |+--------------------------------------------------------------+|
- | ||:diagtext:`converting between types` ||
- | |+--------------------------------------------------------------+|
- | ||:diagtext:`initializing with expression of different type` ||
- | |+--------------------------------------------------------------+|
- | ||:diagtext:`sending to parameter of different type` ||
- | |+--------------------------------------------------------------+|
- | ||:diagtext:`casting between types` ||
- | |+--------------------------------------------------------------+|
- +------------------------------------------------------------------------+----------------------------------------------------------------+
- -Wvector-conversions
- --------------------
- Synonym for `-Wvector-conversion`_.
- -Wvexing-parse
- --------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`empty parentheses interpreted as a function declaration`|
- +----------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parentheses were disambiguated as a function declaration`|
- +-----------------------------------------------------------------------------------------------+
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`parentheses were disambiguated as redundant parentheses around declaration of variable named` |nbsp| :placeholder:`A`|
- +-----------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wvisibility
- ------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`declaration of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will not be visible outside of this function`|
- +---------------------------------------------------------------------------------------------------------------------------------------------+
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`redefinition of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will not be visible outside of this function`|
- +----------------------------------------------------------------------------------------------------------------------------------------------+
- -Wvla
- -----
- **Diagnostic text:**
- +-----------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable length array used`|
- +-----------------------------------------------------------------+
- -Wvla-extension
- ---------------
- **Diagnostic text:**
- +-------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`variable length arrays are a C99 feature`|
- +-------------------------------------------------------------------------------+
- -Wvoid-ptr-dereference
- ----------------------
- This diagnostic is enabled by default.
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++ does not allow indirection on operand of type` |nbsp| :placeholder:`A`|
- +--------------------------------------------------------------------------------------------------------------------+
- -Wvolatile-register-var
- -----------------------
- This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
- -Wweak-template-vtables
- -----------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`explicit template instantiation` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will emit a vtable in every translation unit`|
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wweak-vtables
- --------------
- **Diagnostic text:**
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has no out-of-line virtual method definitions; its vtable will be emitted in every translation unit`|
- +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- -Wwritable-strings
- ------------------
- This diagnostic is enabled by default.
- Also controls `-Wdeprecated-writable-strings`_.
- **Diagnostic text:**
- +-------------------------------------------------------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`ISO C++11 does not allow conversion from string literal to` |nbsp| :placeholder:`A`|
- +-------------------------------------------------------------------------------------------------------------------------+
- -Wwrite-strings
- ---------------
- Synonym for `-Wwritable-strings`_.
- -Wzero-as-null-pointer-constant
- -------------------------------
- **Diagnostic text:**
- +--------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`zero as null pointer constant`|
- +--------------------------------------------------------------------+
- -Wzero-length-array
- -------------------
- **Diagnostic text:**
- +------------------------------------------------------------------------+
- |:warning:`warning:` |nbsp| :diagtext:`zero size arrays are an extension`|
- +------------------------------------------------------------------------+
|
