pkg/front_end/testcases/extension_types/issue52240.dart

// Copyright (c) 2023, 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 type X._(int obj) {
  X() : obj = 0;
  X.named() : obj = 0;
}

void main() {
  print((X.new)().obj);
  print((X.named)().obj);
}