// 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 Optional parameters may be specified and provided with default
 * values.
 * defaultFormalParameter:
 *   normalFormalParameter ('=' expression)?
 * ;
 * defaultNamedParameter:
 *   normalFormalParameter (':' expression)?
 * ;
 * @description Checks that a declaration cannot be used instead of expression
 * in an optional named parameter declaration.
 * @compile-error
 * @author rodionov
 */

f({var x: var z}) {}

main() {
  f();
}