// 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 A variable declaration statement declares a new local variable.
///   localVariableDeclaration:
///     initializedVariableDeclaration ’;’
///   ;
/// @description Checks that the variable declared 'int id;' in a block is not
/// available in another block that isn't included in the first one.
/// @author rodionov
/// @reviewer iefremov

main() {
  {
    int id;
  }
  {
    id = null;
//  ^
// [analyzer] unspecified
// [cfe] unspecified
  }
}
