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/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp
index 89a206d..ebf3594 100644
--- a/lib/CodeGen/CGExprComplex.cpp
+++ b/lib/CodeGen/CGExprComplex.cpp
@@ -531,7 +531,7 @@
 }
 
 ComplexPairTy ComplexExprEmitter::VisitVAArgExpr(VAArgExpr *E) {
-  llvm::Value *ArgValue = CGF.EmitLValue(E->getSubExpr()).getAddress();
+  llvm::Value *ArgValue = CGF.EmitVAListRef(E->getSubExpr());
   llvm::Value *ArgPtr = CGF.EmitVAArg(ArgValue, E->getType());
 
   if (!ArgPtr) {