Use EmitVAListRef instead of EmitLValue directly to handle array decay
case on x86_64.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64333 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp
index bf80b94..df335a7 100644
--- a/lib/CodeGen/CGExprAgg.cpp
+++ b/lib/CodeGen/CGExprAgg.cpp
@@ -289,7 +289,7 @@
 }
 
 void AggExprEmitter::VisitVAArgExpr(VAArgExpr *VE) {
-  llvm::Value *ArgValue = CGF.EmitLValue(VE->getSubExpr()).getAddress();
+  llvm::Value *ArgValue = CGF.EmitVAListRef(VE->getSubExpr());
   llvm::Value *ArgPtr = CGF.EmitVAArg(ArgValue, VE->getType());
 
   if (!ArgPtr) {