From 82953e64c8af2f573651a60f92988ed3cfacedab Mon Sep 17 00:00:00 2001
From: Brian Vaughn <brian.david.vaughn@gmail.com>
Date: Wed, 4 Apr 2018 10:59:01 -0700
Subject: [PATCH] Removed duplicate typeof check

---
 packages/react-reconciler/src/ReactFiberClassComponent.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/react-reconciler/src/ReactFiberClassComponent.js b/packages/react-reconciler/src/ReactFiberClassComponent.js
index 679c791bd5da2..3f811c11088a3 100644
--- a/packages/react-reconciler/src/ReactFiberClassComponent.js
+++ b/packages/react-reconciler/src/ReactFiberClassComponent.js
@@ -370,7 +370,6 @@ export default function(
       if (
         typeof instance.getSnapshotBeforeUpdate === 'function' &&
         typeof instance.componentDidUpdate !== 'function' &&
-        typeof instance.componentDidUpdate !== 'function' &&
         !didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.has(type)
       ) {
         didWarnAboutGetSnapshotBeforeUpdateWithoutDidUpdate.add(type);