pkg/front_end/testcases/general/issue49127.dart

// Copyright (c) 2022, 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.

extension E on int {
  static String s = "Lily was here";
}

test() {
  E?.s;
}