Some preparatory work for chained PCH. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107915 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 8684a06eb0..18ceef99c9 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -628,6 +628,7 @@ void PCHWriter::WriteBlockInfoBlock() {
   RECORD(VERSION_CONTROL_BRANCH_REVISION);
   RECORD(UNUSED_STATIC_FUNCS);
   RECORD(MACRO_DEFINITION_OFFSETS);
+  RECORD(CHAINED_METADATA);
   
   // SourceManager Block.
   BLOCK(SOURCE_MANAGER_BLOCK);
@@ -2075,7 +2076,7 @@ PCHWriter::PCHWriter(llvm::BitstreamWriter &Stream)
     NumLexicalDeclContexts(0), NumVisibleDeclContexts(0) { }
 
 void PCHWriter::WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
-                         const char *isysroot) {
+                         const PCHReader *Chain, const char *isysroot) {
   using namespace llvm;
 
   ASTContext &Context = SemaRef.Context;