// 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-syntaxfunctionf(){try{o;}catch(e){returne;}return0;}functiondeopt(){%DeoptimizeFunction(f);throw42;}%NeverOptimizeFunction(deopt);this.__defineGetter__("o",deopt);f();f();%OptimizeFunctionOnNextCall(f);assertEquals(42,f());