https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116636
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[12/13/14/15 Regression] |[12/13 Regression]
|Deprecation |Deprecation
|warning/unavailable error |warning/unavailable error
|when overriding member of |when overriding member of
|virtual base class |virtual base class
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed for 14.3+/15.1+.