[Bug libstdc++/98725] Review what is disabled in libstdc++ by --disable-wchar_t

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98725

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
<cwchar> could do this after including <wchar.h>:

#if !defined WCHAR_MIN && defined __WCHAR_MIN__
# define WCHAR_MIN __WCHAR_MIN__
#endif

#if !defined WCHAR_MAX && defined __WCHAR_MAX__
# define WCHAR_MAX __WCHAR_MAX__
#endif