https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 91467, which changed state.
Bug 91467 Summary: [concepts] ICE: in tsubst_copy, at cp/pt.c:15545 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91467 What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution|--- |FIXED