// 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

/*omit.class: A:*/
/*strong.class: A:direct,explicit=[A.T],needsArgs*/
class A<T> {
  @pragma('dart2js:noInline')
  m() {
    return /**/ (T t, String s) {};
  }
}

@pragma('dart2js:noInline')
test(o) => o is void Function(int);

main() {
  test(new A<int>().m());
}
