https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118964
--- Comment #5 from Nathaniel Shead <nshead at gcc dot gnu.org> --- I've just sent https://gcc.gnu.org/pipermail/gcc-patches/2025-February/676280.html referencing some previous work I'd done to avoid the GMF into purview issue, in case that is the issue here.