| // Copyright (c) 2017, 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 | |
| abstract class S {} | |
| abstract class M<T> {} | |
| abstract class N<T> {} | |
| class C<T> extends S with M<C<T>>, N<C<T>> {} | |
| main() { | |
| new C<int>(); | |
| } |