vendor/clang/clang-r73954

1 files changed, 13 insertions, 1 deletions

diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index e756b41b12f5b..c37f66dae9071 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -182,7 +182,7 @@ Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
     Diags(PP.getDiagnostics()), SourceMgr(PP.getSourceManager()), 
     ExternalSource(0), CurContext(0), PreDeclaratorDC(0),
     CurBlock(0), PackContext(0), IdResolver(pp.getLangOptions()),
-    GlobalNewDeleteDeclared(false), InUnevaluatedOperand(false),
+    GlobalNewDeleteDeclared(false), ExprEvalContext(PotentiallyEvaluated),
     CompleteTranslationUnit(CompleteTranslationUnit),
     NumSFINAEErrors(0), CurrentInstantiationScope(0) {
   
@@ -235,6 +235,18 @@ void Sema::DeleteStmt(StmtTy *S) {
 /// translation unit when EOF is reached and all but the top-level scope is
 /// popped.
 void Sema::ActOnEndOfTranslationUnit() {
+  // C++: Perform implicit template instantiations.
+  //
+  // FIXME: When we perform these implicit instantiations, we do not carefully
+  // keep track of the point of instantiation (C++ [temp.point]). This means
+  // that name lookup that occurs within the template instantiation will
+  // always happen at the end of the translation unit, so it will find
+  // some names that should not be found. Although this is common behavior 
+  // for C++ compilers, it is technically wrong. In the future, we either need
+  // to be able to filter the results of name lookup or we need to perform
+  // template instantiations earlier.
+  PerformPendingImplicitInstantiations();
+  
   if (!CompleteTranslationUnit)
     return;