https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84140
--- Comment #2 from Casey Carter <Casey at Carter dot net> --- *** Bug 69096 has been marked as a duplicate of this bug. ***
- [Bug c++/84140] Inline friends are not constrained... Casey at Carter dot net
- [Bug c++/84140] Inline friends are not constr... Casey at Carter dot net
- [Bug c++/84140] Inline friends are not constr... redi at gcc dot gnu.org
