// 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 class Base {} class Subclass extends Base { constructor() { %DeoptimizeNow(); super(); } } %PrepareFunctionForOptimization(Subclass); new Subclass(); new Subclass(); %OptimizeFunctionOnNextCall(Subclass); new Subclass();