| // 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. |
| |
| // @dart = 2.7 |
| |
| /*class: A:checks=[],instance*/ |
| class A<T> { |
| @pragma('dart2js:noInline') |
| foo(x) { |
| return x is T; |
| } |
| } |
| |
| /*class: BB:checkedInstance,typeArgument*/ |
| class BB {} |
| |
| /*class: B:checks=[$isBB],instance*/ |
| class B<T> implements BB { |
| @pragma('dart2js:noInline') |
| foo() { |
| return new A<T>().foo(new B()); |
| } |
| } |
| |
| main() { |
| new B<BB>().foo(); |
| } |
