[Bug libstdc++/78991] std::sort and std::unique can not use std::function with clang++ -std=c++14

[daiw at gmx dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78991

Tobias <daiw at gmx dot net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #3 from Tobias <daiw at gmx dot net> ---
resolved as invalid. now posted here:
https://llvm.org/bugs/show_bug.cgi?id=31537