// Copyright 2014 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-syntaxfunctionFuu(){this.x=this.x.x;}Fuu.prototype.x={x:1}newFuu();newFuu();%OptimizeFunctionOnNextCall(Fuu);newFuu();