From c5b2ad1aca2b904b6c3def32bcee7382b764ed68 Mon Sep 17 00:00:00 2001
From: Quincy Morgan <quincy.morgan@icloud.com>
Date: Sat, 18 Jan 2020 14:39:15 -0500
Subject: [PATCH] Add fast path for array comparison if objects are equal

---
 modules/util/array.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/util/array.js b/modules/util/array.js
index aab92222d..b653271da 100644
--- a/modules/util/array.js
+++ b/modules/util/array.js
@@ -1,6 +1,9 @@
 
 // Returns true if a and b have the same elements at the same indices.
 export function utilArrayIdentical(a, b) {
+    // an array is always identical to itself
+    if (a === b) return true;
+
     var i = a.length;
     if (i !== b.length) return false;
     while (i--) {
@@ -146,4 +149,3 @@ export function utilArrayUniqBy(a, key) {
         return acc;
     }, []);
 }
-