// 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-syntaxfunctionf(){vara=newSet().values();a.outOfObjectProperty=undefined;%DeoptimizeNow();return!a;}f();f();%OptimizeFunctionOnNextCall(f);f();