[Bug tree-optimization/118602] Missed optimization for (0xc0 & c) == 0x80

[peter0x44 at disroot dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118602

--- Comment #5 from Peter Damianov <peter0x44 at disroot dot org> ---
I meant to say:
10111111
is -65 in the previous comment.