// 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 the '=' character in an optional positional
 * parameter declaration must be followed by an expression.
 * @compile-error
 * @author iefremov
 */

f([var x = ]) {}

main() {
  f();
}