[Bug libstdc++/66284] std::reference_wrapper is transparent to std::function::target_type

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66284

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |7.0

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed for gcc 7.