extern bool maybe_hot_bb_p (const_basic_block);
extern bool probably_cold_bb_p (const_basic_block);
extern bool probably_never_executed_bb_p (const_basic_block);
-extern bool tree_predicted_by_p (basic_block, enum br_predictor);
-extern bool rtl_predicted_by_p (basic_block, enum br_predictor);
+extern bool tree_predicted_by_p (const_basic_block, enum br_predictor);
+extern bool rtl_predicted_by_p (const_basic_block, enum br_predictor);
extern void tree_predict_edge (edge, enum br_predictor, int);
extern void rtl_predict_edge (edge, enum br_predictor, int);
extern void predict_edge_def (edge, enum br_predictor, enum prediction);