// 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 = ['a', 'b'];
var arg1 = 4;
var _separator = "foo";
%StringBuilderJoin(arg0, arg1, _separator);