| // 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 | |
| class I<X> {} | |
| class M0<T> extends Object implements I<T> {} | |
| class M1<T> extends I<T> {} | |
| // M0 is inferred as M0<dynamic> | |
| // Error since class hierarchy is inconsistent | |
| class A extends Object with M0, M1<int> {} | |
| main() {} |