// 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 setter's formal parameter list
/// does not consist of exactly one required formal parameter p.
/// @description Checks that a compile-time error is produced if a static
/// setter's formal parameter list contains a single optional parameter with a
/// default value.
/// @author iefremov


class C {
  static void set setter([var x = null]) { }
//                ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  C.setter = null;
}
