Add missing include.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@230910 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Lex/PTHManager.h

@@ -19,6 +19,7 @@
 #include "clang/Basic/LangOptions.h"
 #include "clang/Lex/PTHLexer.h"
 #include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/OnDiskHashTable.h"
 #include <string>

lib/Driver/Tools.cpp

@@ -24,6 +24,7 @@
 #include "clang/Driver/SanitizerArgs.h"
 #include "clang/Driver/ToolChain.h"
 #include "clang/Driver/Util.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSwitch.h"

lib/Format/UnwrappedLineParser.cpp

@@ -14,6 +14,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "UnwrappedLineParser.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Debug.h"
 
 #define DEBUG_TYPE "format-parser"

lib/Frontend/SerializedDiagnosticPrinter.cpp

@@ -20,6 +20,7 @@
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Lex/Lexer.h"
 #include "llvm/ADT/DenseSet.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/raw_ostream.h"

tools/libclang/CXLoadedDiagnostic.cpp

@@ -19,6 +19,7 @@
 #include "clang/Frontend/SerializedDiagnosticReader.h"
 #include "clang/Frontend/SerializedDiagnostics.h"
 #include "llvm/ADT/Optional.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Bitcode/BitstreamReader.h"

unittests/Basic/FileManagerTest.cpp

@@ -10,6 +10,7 @@
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/FileSystemOptions.h"
 #include "clang/Basic/FileSystemStatCache.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/Config/llvm-config.h"
 #include "gtest/gtest.h"