[Bug c++/123563] ICE in error_operand_p, at tree.h:4785

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123563

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I don't think we are interested in fuzzing testcases with __direct_bases since
it is not supposed to be used outside of type_traits.