// 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: --enable-slow-asserts array = new Array(undefined, undefined, undefined); Object.defineProperty(array, 0, { get: function() { array.push(undefined, undefined); } }); array[0x80000] = 1; result = array.includes(new WeakMap());