pkg/front_end/testcases/rasta/issue_000053.dart

// Copyright (c) 2016, 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.md file.
// @dart=2.9
class C {
  operator ==(other) => throw 'x';
  test() {
    super == null;
  }
}

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