http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52163
--- Comment #8 from Matthias Klose <doko at gcc dot gnu.org> 2012-02-08 19:24:42 UTC --- it's not some snapshot, as it looks these were exported consistently since 4.1.1 releases. Do you say that these symbols are not exported for e.g. Fedora packages?
