[Bug middle-end/94189] [9/10 Regression] -fcompare-debug failure on Wstringop-overflow-22.c since r9-3242

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94189

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 48038
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48038&action=edit
gcc10-pr94189-1.patch

One possible fix, optimize even if we emit a warning.