[Bug c/111884] [13/14 Regression] unsigned char no longer aliases anything under -std=c2x

[tom at honermann dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111884

--- Comment #4 from Tom Honermann <tom at honermann dot net> ---
(In reply to Marek Polacek from comment #3)
> Thanks, I can test

Thank you. That change looks right. My apologies for introducing the
regression.