From 7086aae378d85dd84f5ca3dc8c374bb4cabe29b0 Mon Sep 17 00:00:00 2001
From: duerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 27 Nov 2018 21:00:06 +0000
Subject: [PATCH] make sure all nodes are correctly freed in
 create_property_node()

We make sure that the newly created tree and all remaining nodes passed in
in the node_array are freed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66042 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 regparse.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/regparse.c b/regparse.c
index c70faaa34e..69f700986c 100644
--- a/regparse.c
+++ b/regparse.c
@@ -5770,6 +5770,10 @@ create_sequence_node(Node **np, Node **node_array)
   while (--i >= 0) {
     *np = node_new_list(node_array[i], tmp);
     if (IS_NULL(*np)) {
+      while (i >= 0) {
+        onig_node_free(node_array[i]);
+        node_array[i--] = NULL_NODE;
+      }
       onig_node_free(tmp);
       return ONIGERR_MEMORY;
     }