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(a:any, b?:any):string;
18
19class C {
20    x:number = 1;
21    y:number = 2;
22    z:number = 3;
23
24    public update(d:number) {
25        const x = this.x;  // occur deopt
26        const {
27            y
28        } = this;
29        print(y);
30    }
31}
32
33let c = new C();
34C.prototype.foo = 123;
35c.update(123);
36
37