fix to assign error code in make_absent_tail()

diff --git a/src/regparse.c b/src/regparse.c
index 453db68c21710cad5f223803b69e8b55816a1b31..42cbb5cf3158731e430ea3320f958e4079690033 100644 (file)
--- a/src/regparse.c
+++ b/src/regparse.c
@@ -1755,7 +1755,7 @@ make_absent_tail(Node** node1, Node** node2, int pre_save_right_id,
   if (r != 0) goto err;
 
   x = make_list(2, ns);
-  if (IS_NULL(x)) goto err;
+  if (IS_NULL(x)) goto err0;
 
   ns[0] = NULL_NODE; ns[1] = x;
 
@@ -1764,12 +1764,14 @@ make_absent_tail(Node** node1, Node** node2, int pre_save_right_id,
   if (r != 0) goto err;
 
   x = make_alt(2, ns);
-  if (IS_NULL(x)) goto err;
+  if (IS_NULL(x)) goto err0;
 
   *node1 = save;
   *node2 = x;
   return ONIG_NORMAL;
 
+ err0:
+  r = ONIGERR_MEMORY;
  err:
   onig_node_free(save);
   onig_node_free(ns[0]);