[Bug libstdc++/64658] std::atomic_init() undefined

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64658

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |5.0

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
fixed - probably not worth backporting since noone has noticed it's missing
(and these functions only really exist because of the original plan for C
compatibility, in C++ you can just use the constructor)