From c409c2089c3686d2a6a25b21eb27cef052faf421 Mon Sep 17 00:00:00 2001
From: Bobby Holley <bobbyholley@gmail.com>
Date: Mon, 11 Sep 2017 16:12:32 -0700
Subject: [PATCH] Fix an awful bug in LRUCache::touch().

MozReview-Commit-ID: 3l7L0MfdOxh
---
 components/style/cache.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/components/style/cache.rs b/components/style/cache.rs
index 8e4c7371938..013c267c165 100644
--- a/components/style/cache.rs
+++ b/components/style/cache.rs
@@ -39,8 +39,7 @@ impl<K: Array> LRUCache<K> {
     #[inline]
     /// Touch a given entry, putting it first in the list.
     pub fn touch(&mut self, pos: usize) {
-        let last_index = self.entries.len() - 1;
-        if pos != last_index {
+        if pos != 0 {
             let entry = self.entries.remove(pos).unwrap();
             self.entries.push_front(entry);
         }