extern void set_new_first_and_last_insn PARAMS ((rtx, rtx));
extern void set_new_first_and_last_label_num PARAMS ((int, int));
extern void set_new_last_label_num PARAMS ((int));
-extern void unshare_all_rtl PARAMS ((rtx));
+extern void unshare_all_rtl_again PARAMS ((rtx));
extern void set_last_insn PARAMS ((rtx));
extern void link_cc0_insns PARAMS ((rtx));
extern void add_insn PARAMS ((rtx));