http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48174
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-18 08:36:50 UTC --- Well, it means "unprototyped". Without consulting the DWARF spec DW_TAG_unspecified_parameters sounds like it would match that. But yes, ISTR filing a bug about this FE issue at some point.
