[Bug c/120744] New diagnostic: -Wrealloc-zero-bytes

[foss+gcc--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120744

--- Comment #1 from Alejandro Colomar <foss+...@alejandro-colomar.es> ---
I think the existing -Wunused-result might not be enough because sonmeone could
write