Implement LWG 2787 - [file_status.cons] is inconsistent

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@297071 91177308-0d34-0410-b5e6-96231b3b80d8

include/experimental/filesystem

@@ -408,8 +408,10 @@ class _LIBCPP_TYPE_VIS file_status
 public:
     // constructors
     _LIBCPP_INLINE_VISIBILITY
-    explicit file_status(file_type __ft = file_type::none,
-                         perms __prms   = perms::unknown) _NOEXCEPT
+    file_status() _NOEXCEPT : file_status(file_type::none) {}
+    _LIBCPP_INLINE_VISIBILITY
+    explicit file_status(file_type __ft,
+                         perms __prms = perms::unknown) _NOEXCEPT
       : __ft_(__ft), __prms_(__prms)
     {}
 

test/std/experimental/filesystem/class.file_status/file_status.cons.pass.cpp

@@ -30,8 +30,8 @@ int main() {
   {
     static_assert(std::is_nothrow_default_constructible<file_status>::value,
                   "The default constructor must be noexcept");
-    static_assert(!test_convertible<file_status>(),
-                  "The default constructor must be explicit");
+    static_assert(test_convertible<file_status>(),
+                  "The default constructor must not be explicit");
     const file_status f;
     assert(f.type()  == file_type::none);
     assert(f.permissions() == perms::unknown);

www/cxx1z_status.html

@@ -439,7 +439,7 @@
 	<tr><td><a href="http://wg21.link/LWG2784">2784</a></td><td>Resolution to LWG 2484 is missing "otherwise, no effects" and is hard to parse</td><td>Kona</td><td></td></tr>
 	<tr><td><a href="http://wg21.link/LWG2785">2785</a></td><td>quoted should work with basic_string_view</td><td>Kona</td><td></td></tr>
 	<tr><td><a href="http://wg21.link/LWG2786">2786</a></td><td>Annex C should mention shared_ptr changes for array support</td><td>Kona</td><td></td></tr>
-	<tr><td><a href="http://wg21.link/LWG2787">2787</a></td><td>&sect;[file_status.cons] doesn't match class definition</td><td>Kona</td><td></td></tr>
+	<tr><td><a href="http://wg21.link/LWG2787">2787</a></td><td>&sect;[file_status.cons] doesn't match class definition</td><td>Kona</td><td>Complete</td></tr>
 	<tr><td><a href="http://wg21.link/LWG2788">2788</a></td><td>basic_string range mutators unintentionally require a default constructible allocator</td><td>Kona</td><td></td></tr>
 	<tr><td><a href="http://wg21.link/LWG2789">2789</a></td><td>Equivalence of contained objects</td><td>Kona</td><td></td></tr>
 	<tr><td><a href="http://wg21.link/LWG2790">2790</a></td><td>Missing specification of istreambuf_iterator::operator-&gt;</td><td>Kona</td><td></td></tr>