[Bug c++/95873] Duplicated warning message "'class' tag used in naming 'union a'"

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95873

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The warning is invalid in this case anyways so even though there is a
duplicated warning it only happens with valid code which should not warn at
all.