// 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 It is a compile-time error if this appears, implicitly or
/// explicitly, in a top-level function or variable initializer, in a factory
/// constructor, or in a static method or variable initializer, or in the
/// initializer of an instance variable.
/// @description Checks that it is a compile-error if 'this' appears in a
/// top-level variable initializer.
/// @author msyabro


var x = this;
//      ^
// [analyzer] unspecified
// [cfe] unspecified

main() {
  print(x);
}
