[Bug c++/93809] bogus error class tag used in naming union on typedef typename ::U U2

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93809

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |rejects-valid
      Known to fail|                            |10.0, 4.5.3, 4.8.5, 4.9.4,
                   |                            |5.4.0, 6.4.0, 7.3.0, 8.3.0,
                   |                            |9.1.0

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
This has been rejected since at least G++ 4.5.