/*
 * 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 It is a compile-time error if an interface is a superinterface of itself.
 * @description Checks that it is a compile-time error if a non-generic interface is 
 * an indirect superinterface of itself.
 * @compile-error
 * @author msyabro
 * @reviewer iefremov
 */

abstract class J implements I {}

abstract class I implements J {}

class A implements I {}

main() {
  try {
    new A();
  } catch(e) {}
}