tree 15abae9bf1bf049924cde89c440f8aac1837b0de
parent 9853e84b54d2453f88490381c2ea37deeab1789d
author Louis Dionne <ldionne@apple.com> 1600193946 -0400
committer Louis Dionne <ldionne@apple.com> 1600194065 -0400

[libc++] Add missing friend keyword

Otherwise, we're declaring a non-static member function, and that
gives errors in C++11 because of the change of semantics between
C++11 and C++14 for non-const constexpr member functions.

This was always intended to be a friend declaration.