https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95177
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |egallager at gcc dot gnu.org
Keywords| |build, diagnostic
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=94182
--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Roland Illig from comment #2)
> >--- Comment #1 from kargl at gcc dot gnu.org ---
> >Why cast to unsigned char? The prototypes for tolower(), toupper(),
> >isdigit(), etc show that the type of the argument is int.
>
> See https://stackoverflow.com/a/60696378 for a detailed explanation.
...which in turn led to bug 94182
