In SourceManager::createFileID missed setting ContentCache's FirstFID in another...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73931 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index 8dfc5d100e8590674b45e26c779ab6ba09791152..23a01c953a46c804e1aae1e881d8b6c247a5022b 100644 (file)
--- 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