// Copyright (c) 2011, 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 self reference in a typedef, either directly, or recursively
 * via another typedef, is a compile time error.
 * @description Checks that it is compile error if more than two typedefs are
 * mutually recursive.
 * @compile-error
 * @author sgrekhov@unipro.ru
 */

typedef void F(G g);
typedef H G();
typedef void H(List<F> f);

main() {
  F? x;
}