|  | // 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:expect/expect.dart'; | 
|  |  | 
|  | /*class: A:checks=[],instance*/ | 
|  | class A<T> { | 
|  | @NoInline() | 
|  | m() { | 
|  | // TODO(johnniwinther): The signature is not needed since the type isn't a | 
|  | // potential subtype of the checked function types. | 
|  | return | 
|  |  | 
|  | /*strong.checks=[],instance*/ | 
|  | /*omit.checks=[],instance*/ | 
|  | (T t, String s) {}; | 
|  | } | 
|  | } | 
|  |  | 
|  | @NoInline() | 
|  | test(o) => o is void Function(int); | 
|  |  | 
|  | main() { | 
|  | test(new A<int>().m()); | 
|  | } |