1 files changed, 2 insertions, 0 deletions
diff --git a/proc.c b/proc.c
index a112677e69..03355dff18 100644
--- a/proc.c
+++ b/proc.c
@@ -1686,6 +1686,8 @@ rb_method_entry_arity(const rb_method_entry_t *me)
       }
       case VM_METHOD_TYPE_REFINED:
 	return -1;
+      case VM_METHOD_TYPE__MAX:
+	break;
     }
     rb_bug("rb_method_entry_arity: invalid method entry type (%d)", def->type);