[Bug middle-end/109995] Bogus warning about __builtin_memset, from -Wstringop-overflow

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109995

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
do *++p = c; while (--n > 0);

is turned into memset during optimizations.