[Bug libstdc++/109891] Null pointer special handling in ostream's operator << for C-strings

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109891

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
IIRC this was to added to be similar to glibc's nullptr handling for %s:
printf("xyza %s\n", nullptr);