extern rtx flow_delete_insn PARAMS ((rtx));
extern void flow_delete_insn_chain PARAMS ((rtx, rtx));
extern void make_edge PARAMS ((sbitmap *, basic_block,
extern rtx flow_delete_insn PARAMS ((rtx));
extern void flow_delete_insn_chain PARAMS ((rtx, rtx));
extern void make_edge PARAMS ((sbitmap *, basic_block,