From 1595a02692ff195d9c7fc0d48d9ee4c410047f30 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Wed, 21 Dec 2016 12:23:24 -0800
Subject: [PATCH] Avoid referencing invalid union member in tree_set_children

---
 src/runtime/tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/tree.c b/src/runtime/tree.c
index e788cb02..dfc45c0c 100644
--- a/src/runtime/tree.c
+++ b/src/runtime/tree.c
@@ -127,7 +127,7 @@ void ts_tree_set_children(Tree *self, uint32_t child_count, Tree **children) {
       self->visible_child_count++;
       if (child->named)
         self->named_child_count++;
-    } else {
+    } else if (child->child_count > 0) {
       self->visible_child_count += child->visible_child_count;
       self->named_child_count += child->named_child_count;
     }