[Bug c++/83469] union is not accepted as a valid class-key in template name resolution

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83469

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-08-09
           Keywords|                            |accepts-invalid,
                   |                            |rejects-valid
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.
here is an example where we should reject it instead:
    struct S {
        union U { int m; };
    };
    template <typename T>
      void f()
      { struct T::U u; }
    int
    main()
    {
      f<S>();
    }