// Copyright 2018 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 --opt /* Test behaviors when the prototype has elements */ // pop (function () { var array = [, , , ,]; function pop() { return array.pop(); } %PrepareFunctionForOptimization(pop); assertEquals(pop(), undefined); assertEquals(pop(), undefined); %OptimizeFunctionOnNextCall(pop); assertEquals(pop(), undefined); array.__proto__.push(6); assertEquals(pop(), 6); })();