[Bug libstdc++/94033] [10 Regression] is_trivially_copy_constructible<> fails with compiler error on complicated object with private default constructor

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94033

--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Created attachment 48044
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48044&action=edit
Candidate patch