[Bug libstdc++/116381] std::variant should not allow array type as an alternative

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116381

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|15.0                        |14.3

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Backported for 14.3, but only checked for strict -std=c++NN modes, not
-std=gnu++NN