// Copyright (c) 2018, 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.

/*element: foo:[exact=JSUInt31]*/
foo(int /*[subclass=JSInt]*/ x) {
  var a;
  switch (x) {
    // ignore: case_block_not_terminated
    case 1:
      a = 1;
    case 2: // illegal fall through
      a = 2;
      break;
    default:
      a = 0;
  }

  return a;
}

/*element: main:[null]*/
main() {
  foo(new DateTime.now(). /*[exact=DateTime]*/ millisecondsSinceEpoch);
}
