pkg/front_end/testcases/patterns/non_pattern_case_among_pattern_cases_in_switch.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.

test(dynamic x) {
  switch (x) {
    case final a when a > 0:
    case 0:
    case final a:
      return a; // Error.
    default:
      return null;
  }
}