[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 #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 48768
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48768&action=edit
prototype

Here is the WIP patch, work is suspended.  There may be a duplicate bug about
this.