gistfile1.diff

diff --git a/insns.def b/insns.def
index c339180..9be0eda 100644
--- a/insns.def
+++ b/insns.def
@@ -765,13 +765,10 @@ defined
 	}
 	break;
       case DEFINED_ZSUPER:{
-	const rb_method_entry_t *me = GET_CFP()->me;
-	if (me) {
-	    VALUE klass = vm_search_normal_superclass(GET_CFP()->klass);
-	    ID id = me->def ? me->def->original_id : me->called_id;
-	    if (rb_method_boundp(klass, id, 0)) {
-		expr_type = DEFINED_ZSUPER;
-	    }
+	rb_call_info_t cit;
+	vm_search_superclass(GET_CFP(), GET_ISEQ(), Qnil, &cit);
+	if (rb_method_boundp(cit.klass, cit.mid, 0)) {
+	    expr_type = DEFINED_ZSUPER;
 	}
 	break;
       }