// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
var v1 = [];
var v2 = [];
v1.__proto__ = v2;
function f(){
var a = [];
for(var i=0; i<2; i++){
a.push([]);
a = v2;
}
}
f();
%OptimizeFunctionOnNextCall(f);
f();