extern void debug_gimple_stmt (gimple *);
extern void debug_gimple_seq (gimple_seq);
extern void print_gimple_seq (FILE *, gimple_seq, int, int);
-extern void print_gimple_stmt (FILE *, gimple *, int, int);
+extern void print_gimple_stmt (FILE *, gimple *, int, int = 0);
extern void debug (gimple &ref);
extern void debug (gimple *ptr);
-extern void print_gimple_expr (FILE *, gimple *, int, int);
+extern void print_gimple_expr (FILE *, gimple *, int, int = 0);
extern void pp_gimple_stmt_1 (pretty_printer *, gimple *, int, int);
extern void gimple_dump_bb (FILE *, basic_block, int, int);
extern void gimple_dump_bb_for_graph (pretty_printer *, basic_block);