// |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() { 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; } var timenonjit = letitbe(); var timejit = letitbe(); print('time: nonjit = ' + timenonjit + ', jit = ' + timejit); expect = true; actual = timejit < timenonjit; reportCompare(expect, actual, summary); }