| // Copyright (c) 2018, 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. |
| |
| import 'package:meta/dart2js.dart'; |
| |
| /*class: A:checkedInstance,checks=[]*/ |
| class A<T> {} |
| |
| /*class: B:checks=[$asA],instance*/ |
| class B<S, T> extends A<T> {} // Non-trivial substitution of A. |
| |
| /*class: C:checks=[],instance*/ |
| class C<S, T> extends B<S, T> {} // Non-trivial substitution of A |
| |
| @noInline |
| test(o) => o is A<String>; |
| |
| main() { |
| test(new C<int, String>()); |
| test(new B<String, int>()); |
| } |
