// Copyright (c) 2015, 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
 *  ifNullExpression:
 *   logicalOrExpression (‘??’ logicalOrExpression)*
 *
 * @description Check that it is a compile time error, if first
 * logicalOrExpression is missing
 * @compile-error
 * @author a.semenov@unipro.ru
 */

main() {
  var x = ?? 10;
}