// 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 a return statement of the form
 * return e; appears in a generative constructor.
 * @description Checks that a compile-time error occurs if a return statement
 * of the form return null; appears in a generative constructor.
 * @compile-error
 * @author rodionov
 */

class C {
  C() { return null;}
}

main() {
  new C();
}
