use super-alt for absent tree

diff --git a/src/regparse.c b/src/regparse.c
index ee32861f2cc79ff15095a3bba10d8c00cef5a32c..0644fc3502119107a930db7f228ea99cac7652f0 100644 (file)
--- a/src/regparse.c
+++ b/src/regparse.c
@@ -2070,6 +2070,7 @@ make_absent_engine(Node** node, int pre_save_right_id, Node* absent,
   x = make_alt(2, ns);
   if (IS_NULL(x)) goto err;
 
+  NODE_STATUS_ADD(x, NST_SUPER);
   *node = x;
   return ONIG_NORMAL;