// Copyright (c) 2016, 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.

/// @author a.semenov@unipro.ru

main() {
  dynamic i = 1;
  // intentional error
  var x = "a" + i;
}
