[Bug libstdc++/105375] std::packaged_task has no deduction guide.

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105375

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-04-25

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
cppreference says it's defined since C++17 but that's wrong, it was a
post-C++20 LWG issue: https://cplusplus.github.io/LWG/issue3117

We don't implement it yet.