1/**
2 * Copyright (c) 2023-2024 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 A<T> {
17  fn(t: int): int { return t; }
18}
19
20class B extends A<Object> {
21  override fn(t: int): void { }
22}
23
24/* @@? 21:14 Error TypeError: fn(t: int): void in B cannot override fn(t: int): int in A<T> because overriding return type is not compatible with the other return type.  */
25/* @@? 21:14 Error TypeError: Method fn(t: int): void in B not overriding any method  */
26