[Bug cobol/119283] cobol FE uses memrchr unconditionally.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119283

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I wonder if it could just use strrchr as fallback?