// Copyright 2017 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 function g(o) { return o.x; }; %PrepareFunctionForOptimization(g); Object.defineProperty(g, 'x', {set(v) {}}); g.prototype = 1; g(g); g(g); %OptimizeFunctionOnNextCall(g); g(g);