// 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.
/// @author rodionov


class C {
  C() { return null;}
//             ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new C();
}
