[Bug ipa/120295] [15/16 Regression] Wrong code on -O3 for trunk version (live code is wrongly eliminated)

[mcccs at gmx dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120295

--- Comment #6 from mcccs at gmx dot com ---
(In reply to Sam James from comment #5)
> (In reply to mcccs from comment #4)
> > (can't bisect, because) not reproducible on aarch64
> 
> What about with -fsigned-char?

Thanks, that works. r15-6294-g96fb71883d438b