[Bug testsuite/120168] [16 Regression] gcc.dg/tree-ssa/pr31261.c fails now on targets which char defaults to unsigned char

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120168

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Patch posted:
https://gcc.gnu.org/pipermail/gcc-patches/2025-May/683008.html