// Copyright (c) 2014, 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.

// @dart = 2.9

class A {
  static const S = 'A.S';
}

const S = 'S';

foo(var p) {
  switch (p) {
    case S:
      break;
    case A.S:
      break;
    case 'abc':
      break;
  }
}

main() {
  foo('p');
}
