| // Copyright (c) 2016, 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 |
| |
| // Since C redirects to C.named, it doesn't implicitly refer to B's |
| // unnamed constructor. Therefore there is no cycle. |
| |
| class B { |
| final x; |
| const B() : x = y; |
| const B.named() : x = null; |
| } |
| |
| class C extends B { |
| const C() : this.named(); |
| const C.named() : super.named(); |
| } |
| |
| const y = const C(); |
| |
| main() { |
| print(y); |
| } |