// 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 An unqualified function invocation i has the form
/// id(a1, ..., an, xn+1: an+1, ..., xn+k: an+k), where id is an identifier.
/// If there exists a lexically visible declaration named id, let fid be the
/// innermost such declaration. Then:
/// . . .
/// Otherwise, . . .
/// If i does not occur inside a top level or static function, i is equivalent to
/// this.id(a1, ..., an, xn+1: an+1, ..., xn+k: an+k).
/// @description Checks that if there is no declaration and i occurs inside
/// an instance method, i is equivalent to this.id()and hence leads to compile
/// error.
/// @author ilya


class C {
  test() => undeclared();
//          ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new C().test();
}
