http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45375
--- Comment #116 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-10-01 15:52:51 UTC --- Solving http://sourceware.org/bugzilla/show_bug.cgi?id=13245 should make that linker error with -flto -fprofile-generate to go away.