[Bug target/115409] avx512 intrinsics trigger -Wshift-overflow

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115409

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note the warning in this case normally does not show up unless you are using
-Wsystem-headers  . We should fix the warning still.