// 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 The following names are allowed for user-defined operators: 
/// <, >, <=, >=, ==, -, +, /, ˜/, *, %, |, ˆ, &, <<, >>, >>>, []=, [], ˜.
/// @description Checks that operator >>= cannot be defined in a user class.
/// @author iefremov


class C {
  operator >>=(x) {}
//         ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  C c = new C();
  c >>= 1;
//  ^
// [analyzer] unspecified
// [cfe] unspecified
}
