http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44563
--- Comment #7 from Jan Hubicka <hubicka at gcc dot gnu.org> 2010-12-13 00:59:53 UTC --- ... actually split_bb does not use gsi_for_stmt since it has to walk all the statements in the BB anyway. It seems that it is one of routines updating callers from cgraph edges.