| // Copyright (c) 2020, 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. | |
| // Test for cyclic class hierarchy seen in: https://github.com/flutter/flutter/issues/64011 | |
| class A extends B<C> {} | |
| class C extends A {} | |
| class B<T> {} | |
| main() => print(A()); |