[Bug middle-end/98109] Seemingly wrong warnings from -Wnonnull when combined with -O2 -fsanitize=undefined

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98109

--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
(In reply to James Legg from comment #2)

This is a different problem from the one reported in comment 0 so I opened a
new bug for it: pr100684.