From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- js/src/tests/non262/jit/regress-469927.js | 41 +++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 js/src/tests/non262/jit/regress-469927.js (limited to 'js/src/tests/non262/jit/regress-469927.js') diff --git a/js/src/tests/non262/jit/regress-469927.js b/js/src/tests/non262/jit/regress-469927.js new file mode 100644 index 0000000000..b1a7230946 --- /dev/null +++ b/js/src/tests/non262/jit/regress-469927.js @@ -0,0 +1,41 @@ +// |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); +} -- cgit v1.2.3