When building a PCH file, don't perform end-of-translation-unit

wrap-up (e.g., turning tentative definitions into definitions). Also,
very that, when we actually use the PCH file, we get the ride code
generation for tentative definitions and definitions that show up in
the PCH file.

llvm-svn: 69043

1 files changed, 7 insertions, 2 deletions

diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index f11ce2043a8..403e8f60f56 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -151,12 +151,14 @@ void Sema::ActOnTranslationUnitScope(SourceLocation Loc, Scope *S) {
   Context.setObjCIdType(IdTypedef);
 }
 
-Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer)
+Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
+           bool CompleteTranslationUnit)
   : LangOpts(pp.getLangOptions()), PP(pp), Context(ctxt), Consumer(consumer),
     Diags(PP.getDiagnostics()),
     SourceMgr(PP.getSourceManager()), CurContext(0), PreDeclaratorDC(0),
     CurBlock(0), PackContext(0), IdResolver(pp.getLangOptions()),
-    GlobalNewDeleteDeclared(false) {
+    GlobalNewDeleteDeclared(false), 
+    CompleteTranslationUnit(CompleteTranslationUnit) {
   
   // Get IdentifierInfo objects for known functions for which we
   // do extra checking.  
@@ -216,6 +218,9 @@ void Sema::DeleteStmt(StmtTy *S) {
 /// translation unit when EOF is reached and all but the top-level scope is
 /// popped.
 void Sema::ActOnEndOfTranslationUnit() {
+  if (!CompleteTranslationUnit)
+    return;
+
   // C99 6.9.2p2:
   //   A declaration of an identifier for an object that has file
   //   scope without an initializer, and without a storage-class