// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --predictable

const str = '2016-01-02';

function t() {
  var re;
  function toDictMode() {
    for (var i = 0; i < 100; i++) {  // Loop is required.
      re.x = 42;
      delete re.x;
    }
    return 0;
  }

  re = /-/g;  // Needs to be global to trigger lastIndex accesses.
  re.lastIndex = { valueOf : toDictMode };
  return re.exec(str);
}

for (var q = 0; q < 10000; q++) {
  t();  // Needs repetitions to trigger a crash.
}