| // Copyright (c) 2022, 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. | |
| part of 'issue48765.dart'; | |
| abstract class _B {} | |
| class _Bc implements _B {} | |
| extension on _B { | |
| static int field = 0; | |
| void method() { | |
| field++; | |
| } | |
| } |