v8/test/mjsunit/regress/regress-crbug-605060.js

// Copyright 2016 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

Array.prototype.__defineGetter__('map', function(){});
Array.prototype.__defineGetter__('map', function(){});
Array.prototype.__defineGetter__('map', function(){});
assertEquals(!%IsDictPropertyConstTrackingEnabled(),
             %HasFastProperties(Array.prototype));