[Bug tree-optimization/79054] missing range information with INT_MAX

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79054

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Btw, reassoc has code to do this but it runs too late (after VRP1).  With all
early opts we have running it earlier might be an option (for GCC 8).