[Bug c++/71774] [5/6/7 regression] Bogus "is protected" error when list-initializing a base class with a defaulted protected constructor and a virtual function

[db0451 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71774

--- Comment #2 from DB <db0451 at gmail dot com> ---
see also 66847, 66617, 55922