1/* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16declare function print(str:any):string; 17var proto = {}; 18var proto2 = {}; 19var obj ={ 20 __proto__: proto 21} 22print(obj.__proto__ == proto) 23print(obj.__proto__ == proto2); 24 25class C12 extends Set { 26} 27const v13 = new C12(); 28const o59 = { 29 __proto__: v13, 30}; 31try { 32 o59.values(); 33} catch (error) { 34 print(o59.__proto__ == v13); 35} 36