[Bug tree-optimization/108757] We do not simplify (a - (N*M)) / N + M -> a / N

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108757

--- Comment #3 from anlauf at gcc dot gnu.org ---
(In reply to Andrew Pinski from comment #2)
> I am not sure this can be done in the normal case unless you know the range
> of a to be [64...INF] .
> The wrap around case might be an issue ...
> But I am not 100% sure.

It is.  Just print foo(0).