[Bug sanitizer/64906] -fsanitize=integer-divide-by-zero creates false -Wmaybe-uninitialized warning

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64906

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I'm testing a fix.