The address of a variable is only constant if the variable has global storage.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59939 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 7b927f4628..6cdbc80afa 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -121,7 +121,7 @@ public:
   }
 
   APValue VisitParenExpr(ParenExpr *E) { return Visit(E->getSubExpr()); }
-  APValue VisitDeclRefExpr(DeclRefExpr *E) { return APValue(E, 0); }
+  APValue VisitDeclRefExpr(DeclRefExpr *E);
   APValue VisitPredefinedExpr(PredefinedExpr *E) { return APValue(E, 0); }
   APValue VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
   APValue VisitMemberExpr(MemberExpr *E);
@@ -135,6 +135,14 @@ static bool EvaluateLValue(const Expr* E, APValue& Result, EvalInfo &Info) {
   return Result.isLValue();
 }
 
+APValue LValueExprEvaluator::VisitDeclRefExpr(DeclRefExpr *E)
+{ 
+  if (!E->hasGlobalStorage())
+    return APValue();
+  
+  return APValue(E, 0); 
+}
+
 APValue LValueExprEvaluator::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
   if (E->isFileScope())
     return APValue(E, 0);