Jan Hubicka <hubicka@paru.cas.cz>

        * flow.c (split_edge) update correctly flow graph, disable
        EDGE_CRITICAL flag on the split edge, update NUSES for new label.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26222 138bc75d-0d04-0410-961f-82ee72b054a4