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 // |reftest| skip -- bogus perf test (bug 540512)

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 //-----------------------------------------------------------------------------

 var BUGNUMBER = 469927;

 var summary = 'TM: jit should not slow down short loop with let';

 var actual = '';

 var expect = '';

 //-----------------------------------------------------------------------------

 test();

 //-----------------------------------------------------------------------------

 function test()

 {

   enterFunc ('test');

   printBugNumber(BUGNUMBER);

   printStatus (summary);

   function letitbe() {

     var start = new Date();

     for (let i = 0; i < 500000; ++i) { 

       for (let j = 0; j < 4; ++j) { } 

     }

     var stop = new Date();

     return stop - start;

   }

   jit(false);

   var timenonjit = letitbe();

   jit(true);

   var timejit = letitbe();

   jit(false);

   print('time: nonjit = ' + timenonjit + ', jit = ' + timejit);

   expect = true;

   actual = timejit < timenonjit;

   reportCompare(expect, actual, summary);

   exitFunc ('test');

 }