1// Copyright 2015 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Flags: --allow-natives-syntax
6
7var v1 = [];
8var v2 = [];
9v1.__proto__ = v2;
10
11function f(){
12  var a = [];
13  for(var i=0; i<2; i++){
14    a.push([]);
15    a = v2;
16  }
17}
18
19f();
20%OptimizeFunctionOnNextCall(f);
21f();
22