Louis Dionne 7272026993 [libcxx] Implement http://wg21.link/p1006, constexpr in pointer_traits
Summary:
P1006 adds support for constexpr in the specialization of pointer_traits
for raw pointers. This is necessary in order to use pointer_traits in
the upcoming constexpr containers. We expect P1006 to be voted into the
working draft for C++20 at the San Diego meeting.

Reviewers: mclow.lists, EricWF

Subscribers: christof, dexonsmith, libcxx-commits

Differential Revision: https://reviews.llvm.org/D53867

llvm-svn: 346764
2018-11-13 17:04:05 +00:00
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