// 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 "rethrow" is a reserved word.
/// A reserved word may not be used as an identifier; it is a compile-time error
/// if a reserved word is used where an identifier is expected.
/// @description Checks that it is a compile-time error when a reserved word
/// "rethrow" is used as a class member (field) name.
/// @compile-error
/// @author rodionov


class C {
  int rethrow = 42;
}

main() {
  new C().rethrow is int;
}
