1 files changed, 1 insertions, 0 deletions
diff --git a/iseq.h b/iseq.h
index d2aab1cc24..b626682bed 100644
--- a/iseq.h
+++ b/iseq.h
@@ -24,6 +24,7 @@ VALUE rb_iseq_build_from_ary(rb_iseq_t *iseq, VALUE locals, VALUE args,
 
 /* iseq.c */
 VALUE rb_iseq_load(VALUE data, VALUE parent, VALUE opt);
+VALUE rb_iseq_parameters(const rb_iseq_t *iseq, int is_proc);
 struct st_table *ruby_insn_make_insn_table(void);
 
 struct rb_compile_option_struct {