<?hh
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the "hack" directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 */

function foo(): int {
  $x = null;
  foreach (array(1,2,3) as $y) {
    if ($y % 2) { continue; }
    $x = array($y);
  }
  if (!$x) {
    throw new Exception('Boom');
  }
  return $x[123];
}
