| // Copyright (c) 2015, 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. | |
| // TODO(https://github.com/dart-lang/sdk/issues/51557): Decide if the mixins | |
| // being applied in this test should be "mixin", "mixin class" or the test | |
| // should be left at 2.19. | |
| // @dart=2.19 | |
| import 'dart:collection'; | |
| class A extends Object with LinkedListEntry<A> {} | |
| main() => new A(); |