// Copyright (c) 2019, 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.

/// @assertion Any use of a type `T` which is not well-bounded is a
/// compile-time error.
///
/// @description Checks that it is not an error when a function alias with a
/// type parameter whose bound is a well-bounded type is declared.
/// @author iarkh@unipro.ru

class A<T extends A<T>> {}

typedef void B<X extends A<X>>(X);

main() {
  B<A> b2;
  B<void> b4;
  B<Never> b5;

  B<A<dynamic>> b6;
  B<A<void>> b8;
  B<A<Never>> b9;
}