[Bug sanitizer/104937] wrong code with _Complex division and -fsanitize=undefined

[zsojka at seznam dot cz via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104937

--- Comment #2 from Zdenek Sojka <zsojka at seznam dot cz> ---
There was PR104604 where _Complex unsigned division was fixed, but I didn't
notice any other related wrong-code PR.