https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109425
--- Comment #2 from Hannes Hauswedell <h2+bugs at fsfe dot org> --- Thanks for the quick reply, and nice that it is already fixed for 13! I assume this will not be backported? It wouldn't be a huge problem, because it is possible to workaround with non-friend operators.
