| // Copyright (c) 2019, 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. | |
| class B { | |
| const B(); | |
| } | |
| class A { | |
| final B b; | |
| const A(this.b); | |
| } | |
| const ab = A(B()); | |
| const b = B(); |