From f871c763d3f34b8e6f810c4c6e7ac7df69ddaaff Mon Sep 17 00:00:00 2001
From: Sebastian Silbermann <silbermann.sebastian@gmail.com>
Date: Mon, 25 May 2020 06:44:58 +0200
Subject: [PATCH] Document why

---
 packages/material-ui/src/utils/createSvgIcon.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/material-ui/src/utils/createSvgIcon.js b/packages/material-ui/src/utils/createSvgIcon.js
index 13873d5f15b108..ef964739eb4cc2 100644
--- a/packages/material-ui/src/utils/createSvgIcon.js
+++ b/packages/material-ui/src/utils/createSvgIcon.js
@@ -12,6 +12,8 @@ export default function createSvgIcon(path, displayName) {
   );
 
   if (process.env.NODE_ENV !== 'production') {
+    // Need to set `displayName` on the inner component for React.memo.
+    // React prior to 16.14 ignores `displayName` on the wrapper.
     Component.displayName = `${displayName}Icon`;
   }