extern int validate_replace_rtx PARAMS ((rtx, rtx, rtx));
extern void validate_replace_rtx_group PARAMS ((rtx, rtx, rtx));
extern int validate_replace_src PARAMS ((rtx, rtx, rtx));
+extern void validate_replace_src_group PARAMS ((rtx, rtx, rtx));
+extern int num_changes_pending PARAMS ((void));
#ifdef HAVE_cc0
extern int next_insn_tests_no_inequality PARAMS ((rtx));
#endif