[Webkit-unassigned] [Bug 188145] Hardcoded LFENCE instruction

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=188145

--- Comment #8 from karogyoker2+webkit at gmail.com ---
> Firefox ESR 52 includes Firefox 49. So it does not work w/o SSE2[1].

It DOES work on Linux. Firefox ESR 52 does NOT require SSE2 on Linux.
The first version of FF for Linux which require SSE2 is version 53.0. Here is the official statement:
https://www.mozilla.org/en-US/firefox/53.0/releasenotes/

"Ended Firefox Linux support for processors older than Pentium 4 and AMD Opteron"

I can also prove that if works without SSE2 because that is what I use on my Athlon XP.
Also here are some links which prove that people are running FF 52 ESR for Linux on machines without SSE2:
https://forum.manjaro.org/t/testing-update-x32-2018-04-09-to-11-firefox-sse-firefox-esr-libreoffice-fresh-systemd-kernels-and-extramodules/44439

https://www.linuxliteos.com/forums/installing-software/cpu-without-sse2-crashes-firefox-update/

https://ubuntuforums.org/showthread.php?t=2382079

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