1/* 2 * Copyright (c) 2025 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 16// @ts-nocheck 17declare function print(arg: any): string; 18 19class A { 20 constructor() { 21 this.x = 1; 22 this.y = 2; 23 } 24} 25 26function foo() { 27 for(let i = 0; i < 1000; i++) { 28 A.prototype[Symbol.iterator] = "z"; 29 } 30 31 let a = new A(); 32 print(a.x); 33 print(a.y); 34 print(a[Symbol.iterator]); 35} 36 37foo(); 38ArkTools.jitCompileAsync(foo); 39print(ArkTools.waitJitCompileFinish(foo)); 40foo(); 41