[Bug c/105950] > O2 optimization causes runtime (SIGILL) during main initialization

[jkanapes at yahoo dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105950

--- Comment #30 from John Kanapes <jkanapes at yahoo dot com> ---
I checked without the -mavx2 option, and it worked with -O3 optimization, even
with gcc 9.4.0:)
It seems that whatever problem is related to that option.
Have you tried it with -mavx2 option in 9.5 and 12.1?