diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index c1a3438..2fd8d63 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -460,3 +460,10 @@
   
   return 0;
 }
+
+llvm::Value* CodeGenFunction::EmitVAListRef(const Expr* E) {
+  if (CGM.getContext().getBuiltinVaListType()->isArrayType()) {
+    return EmitScalarExpr(E);
+  }
+  return EmitLValue(E).getAddress();
+}