[Bug libstdc++/70767] std::numeric_limits<const unsigned char>::digits is wrong unless --std=c++11 used

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70767

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
For GCC 7 the specializations for cv-qualified types will always be defined.
I'm not going to backport that to current release branches though (since they
are not incorrect according to the C++98 standard).