pkg/front_end/testcases/aot/tree_shake/main_lib.dart

// Copyright (c) 2021, 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.

enum ConstEnum { value }

class ConstClass {
  int method(ConstEnum e) => e.index;
}