// Copyright 2015 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-syntaxvar__v_7={"__proto__":this};__v_9=%CreatePrivateSymbol("__v_9");this[__v_9]="moo";function__f_5(){__v_7[__v_9]="bow-wow";}__f_5();