http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52717
--- Comment #3 from Jan Hubicka <hubicka at ucw dot cz> 2012-03-26 10:48:33 UTC --- > > That stuff might simply not be set up properly for LTO (it does not seem > > to be integrated with the cgraph). Honza? Eric? > > Yes, that's very likely the source of the problem. Hmm, if the sparc_get_pc_thunk is reference to libgcc, how it can end up being defined in ltrans24? Perhaps renaming interfere here with the references done in sparc frontend? Honza