[Bug tree-optimization/95801] Optimiser does not exploit the fact that an integer divisor cannot be zero

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95801

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
I have a patch exploiting this but it faces some correctness issues in the
propagators where some of them instantiate the assumptions before simplifying
the stmts themselves.