do not use SourceManager::getFileCharacteristic(FileID), it is not
safe because a #line can change the file characteristic on a per-loc
basis.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62501 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index f7551a2..ef26aeb 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -783,7 +783,7 @@
   // header.
   SrcMgr::CharacteristicKind FileCharacter = 
     std::max(HeaderInfo.getFileDirFlavor(File),
-          SourceMgr.getFileCharacteristic(getCurrentFileLexer()->getFileID()));
+             SourceMgr.getFileCharacteristic(FilenameTok.getLocation()));
   
   // Look up the file, create a File ID for it.
   FileID FID = SourceMgr.createFileID(File, FilenameTok.getLocation(),