[Bug rtl-optimization/115056] [14 regression] Miscompilation (also triggering -Wstringop-overflow and -Warray-bounds warning) when -O2 or higher

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115056

--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Dale Weiler from comment #0)
> I've isolated what appears to be an unsound __builtin_memset optimization
> applied by gcc 14.1.1 on a hash function in a cryptographic library where it
> writes one byte beyond the end of a buffer.

You don't have to share, but I find it useful to know where stuff was reduced
from. Was it a public library? If so, what? It is OK to not answer.