[Bug c++/125957] Error when splicing reflection of private member function

[eczbek.void at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125957

--- Comment #1 from eczbek.void at gmail dot com ---
https://eel.is/c++draft/expr.prim.splice#note-4
https://eel.is/c++draft/class.access.base#5.3