pkg/front_end/testcases/regress/invalid_this_reference_01.dart

// Copyright (c) 2024, 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 Foo(String x) {
  int x2 = 42;

  @x2
  int? a, b;
}