[Bug tree-optimization/109931] Knowledge on literal not used in optimization

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109931

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
There is another bug about this.
In this case we know that bit 5 is set for the range ['a','z'] .