[Bug tree-optimization/83247] simplify (int)a_long < 0 when we know a_long fits in int

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83247

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
gnat.dg/opt86[abc].adb still fails.