// Copyright 2014 the V8 project authors. All rights reserved.
// AUTO-GENERATED BY tools/generate-runtime-tests.py, DO NOT MODIFY
// Flags: --allow-natives-syntax --harmony --harmony-proxies
var arg0 = [1, 2, 3];
var arg1 = 3;
var _special = "foo";
%StringBuilderConcat(arg0, arg1, _special);