https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85248
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Richard Biener from comment #6) > I think we want to merge the cgraph nodes but _not_ merge decls (thus not > call lto_symtab_prevail_decl). Iff that is supported somehow...? Probably > we expect the decl <-> cgraph node be a 1:1 relation, not a n:1 one. In case of MPX, there's some weirdness. I don't want to be familiar with that. > > I think the issue you run into can happen generally, no? Or we indeed do > not reclaim the mpx stuff properly. I guess it's MPX related. > > Anyhow, I guess you need to debug the specific ICE further or reduce the > scope > of "flags" you bail out for now to that of the error() case (noreturn). I'll do that. In GCC 9 we can remove MPX and utilize flags_from_decl_or_type.
