// 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 --turbofan /* Test deopt behaviors when the prototype has elements */ // some (function () { var array = [,]; function some() { return array.some(v => v > 0); } %PrepareFunctionForOptimization(some); some(); some(); %OptimizeFunctionOnNextCall(some); assertEquals(some(), false); array.__proto__.push(6); //deopt assertEquals(some(), true); })();