http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56509
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-04 09:08:31 UTC --- Created attachment 29577 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29577 gcc48-pr56509.patch Would it help to just move opts_obstack and opts_concat from opts.c to opts-common.c ?