From 5a8a4b0dcf067e8eb5f33a46ff5be2f213f045df Mon Sep 17 00:00:00 2001
From: Michael Davis <mcarsondavis@gmail.com>
Date: Mon, 24 Jul 2023 15:02:37 -0500
Subject: [PATCH] ts_node__prev_child: Reset earlier node when backtracking

`earlier_node` must be reset when backtracking up the tree or else
`ts_node__prev_child` may loop infinitely on a subtree which contains
zero-width tokens.
---
 lib/src/node.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/src/node.c b/lib/src/node.c
index aa947148..eafaa7bb 100644
--- a/lib/src/node.c
+++ b/lib/src/node.c
@@ -237,6 +237,8 @@ static inline TSNode ts_node__prev_sibling(TSNode self, bool include_anonymous)
       return earlier_node;
     } else {
       node = earlier_node;
+      earlier_node = ts_node__null();
+      earlier_node_is_relevant = false;
     }
   }