1/* 2 * Copyright (c) 2023 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; 18class A { 19 n: number = 2 20} 21 22class B { 23 constructor(i: string) { 24 if (i == null) { 25 return 26 } 27 print(i) // do not print 28 } 29} 30 31function foo() { 32 A.prototype.o = 1 33 let a = new A() 34 let b = a.n // deopt 35 // new common object 36 let c = new B() 37 38 print(b) // 2 39} 40 41foo() 42