https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114630
--- Comment #4 from Patrick Palka <ppalka at gcc dot gnu.org> --- (In reply to Patrick Palka from comment #3) > And in 114630_c.C we no longer try to stream in the definition > of _M_do_parse<int>() twice, for some reason. Oops, looks like we still stream in the definition twice with the fix but the local types therein get deduplicated correctly now.