https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110323
--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Ah -- if we walk into TYPE_CONTEXT (t) (here: struct conditional), then in min_vis_r we determine the visibility as VISIBILITY_ANON. Without it, it remains VISIBILITY_DEFAULT.