1/*
2 * Copyright (c) 2024 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
16class B<T> {
17    a: T;
18    constructor(a: T) {
19        this.a = a;
20    }
21}
22
23class A<T> {
24    b: B<T>;
25    constructor(b: B<T>) {
26        this.b = b;
27    }
28}
29
30class Z {
31    c: byte = 12;
32}
33
34function main(): void {
35    let d: A<Z> = new A<Z>(new B<Z>(new Z()));
36    d.b.a.c = 127;
37}
38
39/* @@? 30:5 Warning Warning: Variable 'd' is used before being assigned.  */
40/* @@? 1:1 Error TypeError: There were errors during assign analysis (1)  */
41