From f31aeb97f12dcb78d41ff9140e8fde7056ffd55d Mon Sep 17 00:00:00 2001
From: Andrew Ozz <azaozz@git.wordpress.org>
Date: Wed, 29 Apr 2015 03:19:01 +0000
Subject: [PATCH] Emoji: fix loop when replacement images fail to load. Props
 iseulde. Fixes #32128 for trunk.

git-svn-id: https://develop.svn.wordpress.org/trunk@32323 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/js/wp-emoji.js | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/wp-includes/js/wp-emoji.js b/src/wp-includes/js/wp-emoji.js
index 0ff3c6f677..47076c95ea 100644
--- a/src/wp-includes/js/wp-emoji.js
+++ b/src/wp-includes/js/wp-emoji.js
@@ -61,13 +61,24 @@
 			if ( MutationObserver ) {
 				new MutationObserver( function( mutationRecords ) {
 					var i = mutationRecords.length,
-						ii, node;
+						addedNodes, removedNodes, ii, node;
 
 					while ( i-- ) {
-						ii = mutationRecords[ i ].addedNodes.length;
+						addedNodes = mutationRecords[ i ].addedNodes;
+						removedNodes = mutationRecords[ i ].removedNodes;
+						ii = addedNodes.length;
+
+						if (
+							ii === 1 && removedNodes.length === 1 &&
+							addedNodes[0].nodeType === 3 &&
+							removedNodes[0].nodeName === 'IMG' &&
+							addedNodes[0].data === removedNodes[0].alt
+						) {
+							return;
+						}
 
 						while ( ii-- ) {
-							node = mutationRecords[ i ].addedNodes[ ii ];
+							node = addedNodes[ ii ];
 
 							if ( node.nodeType === 3 ) {
 								node = node.parentNode;