https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106390
--- Comment #5 from Benjamin Priour <vultkayn at gcc dot gnu.org> --- > I agree that this would be a problem, but instead of implying that we need > two attributes, I think this implies that we should not try to use > [[gsl::owner]] for shared ownership. If you don't try to use it for both, > the problem doesn't exist. If we discard tracking shared ownership, it indeed removes a lot of complexity, and I agree we can stick to [[gsl::owner]], and tracking moves of resources becomes much simpler. I'll go with that for now, see what tests I can do, dig a little bit.
