https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121931
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- https://github.com/slankdev/frr/blob/79fd3e0c973cf8941a597cab4ca75d38ea344ffd/lib/xref.h#L147 is the only place I have seen it used in the wild in the use case I mentioned.
