https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85068
Volker Reichelt <reichelt at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[6/7 Regression] ICE with |[6 Regression] ICE with
|invalid covariant return |invalid covariant return
|type hierarchy |type hierarchy
--- Comment #6 from Volker Reichelt <reichelt at gcc dot gnu.org> ---
Fixed for GCC 7.4
