[Bug c++/78173] Hard error subtracting pointers to incomplete type in SFINAE context

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78173

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>:

https://gcc.gnu.org/g:fa452a843d26a64a5ca0fd7c17ea1bd6e1b81a69

commit r11-6074-gfa452a843d26a64a5ca0fd7c17ea1bd6e1b81a69
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Tue Dec 15 11:40:07 2020 +0000

    libstdc++: Remove workaround for PR c++/78173

    Now that the G++ bug is fixed we no longer need to protect this partial
    specialization from complaining about subtracting void pointers.

    libstdc++-v3/ChangeLog:

            * include/bits/iterator_concepts.h (incrementable_traits<Tp>):
            Remove workaround for PR c++/78173.