http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55566
--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-12-02 22:03:42 UTC --- > Which version of the host compiler did you use to run the initial build step? This is a 4.5.x compiler configured for ia64-generic-linux-gnu on a RHEL 5.8.