emit ORIGINAL_FILE_NAME record ID to blockinfo block.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72759 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 9f9b3b4..80e863b 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -347,6 +347,7 @@
  
   // PCH Top-Level Block.
   BLOCK(PCH_BLOCK);
+  RECORD(ORIGINAL_FILE_NAME);
   RECORD(TYPE_OFFSET);
   RECORD(DECL_OFFSET);
   RECORD(LANGUAGE_OPTIONS);