[Bug tree-optimization/79191] potentially truncating unsigned conversion defeats range propagation

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79191

--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> ---
Where exactly in the compiler is this optimization supposed to be done and
who's the maintainer of that file?