[Bug c++/92271] for consistency, __is_same_as should be named __is_same

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92271

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-10-29
     Ever confirmed|0                           |1

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
FWIW libstdc++ has only just started using __is_same_as and could very easily
be changed to use __is_same. It would actually simplify the code if GCC and
Clang used the same name.