From dfe632df3efc5231a18eb000deb0ac8cc6786f15 Mon Sep 17 00:00:00 2001
From: Sebastian Markbage <sema@fb.com>
Date: Sun, 11 Aug 2019 12:48:48 -0700
Subject: [PATCH] Reset didReceiveUpdate in beginWork

This is a bad bug. It means that we sometimes inherit
didReceiveUpdate from a previous component's begin.

Effectively this only means that we're overrendering in some cases.

We should refactor to get rid of this as a global flag.
---
 packages/react-reconciler/src/ReactFiberBeginWork.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/react-reconciler/src/ReactFiberBeginWork.js b/packages/react-reconciler/src/ReactFiberBeginWork.js
index 02e26ae74627..88fdf4c1ac41 100644
--- a/packages/react-reconciler/src/ReactFiberBeginWork.js
+++ b/packages/react-reconciler/src/ReactFiberBeginWork.js
@@ -2846,6 +2846,8 @@ function beginWork(
         workInProgress,
         renderExpirationTime,
       );
+    } else {
+      didReceiveUpdate = false;
     }
   } else {
     didReceiveUpdate = false;