Import Clang r73954.

2 files changed, 5 insertions, 1 deletions

diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index 8dfc5d1..23a01c9 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -373,7 +373,10 @@ FileID SourceManager::createFileID(const ContentCache *File,
   
   // Set LastFileIDLookup to the newly created file.  The next getFileID call is
   // almost guaranteed to be from that file.
-  return LastFileIDLookup = FileID::get(SLocEntryTable.size()-1);
+  FileID FID = FileID::get(SLocEntryTable.size()-1);
+  if (File->FirstFID.isInvalid())
+    File->FirstFID = FID;
+  return LastFileIDLookup = FID;
 }
 
 /// createInstantiationLoc - Return a new SourceLocation that encodes the fact
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 13758ad..1d69e4e 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -169,6 +169,7 @@ static bool getDarwinNumber(const char *Triple, unsigned &Maj, unsigned &Min, un
 }
 
 static void getDarwinDefines(std::vector<char> &Defs, const LangOptions &Opts) {
+  Define(Defs, "__APPLE_CC__", "5621");
   Define(Defs, "__APPLE__");
   Define(Defs, "__MACH__");
   Define(Defs, "OBJC_NEW_PROPERTIES");