| // Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| // @dart = 2.9 | |
| /// @description Regression test for the issue 33704 (Dart does not throw error | |
| /// if class argument parameter extends void) | |
| /// @Issue 33704 | |
| /// @author iarkh@unipro.ru | |
| class A<X1 extends void> {} | |
| // ^ | |
| // [analyzer] unspecified | |
| // [cfe] unspecified | |
| main() {} |