// 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-syntaxfunctiong(){this.x={};}functionf(){newg();}functiondeopt(x){%DeoptimizeFunction(f);}f();f();%OptimizeFunctionOnNextCall(f);Object.prototype.__defineSetter__('x',deopt);f();