From 696609d49a06cc54d6f6109a9489fe9970745bb5 Mon Sep 17 00:00:00 2001
From: Dominic Gannaway <trueadm@users.noreply.github.com>
Date: Fri, 21 Jun 2019 19:54:04 +0100
Subject: [PATCH] [Fiber] Clear down dependencies during detachFiber (#15947)

---
 packages/react-reconciler/src/ReactFiberCommitWork.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.js b/packages/react-reconciler/src/ReactFiberCommitWork.js
index f9c6ce39af..c56e4ebddd 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.js
@@ -837,12 +837,14 @@ function detachFiber(current: Fiber) {
   current.child = null;
   current.memoizedState = null;
   current.updateQueue = null;
+  current.dependencies = null;
   const alternate = current.alternate;
   if (alternate !== null) {
     alternate.return = null;
     alternate.child = null;
     alternate.memoizedState = null;
     alternate.updateQueue = null;
+    alternate.dependencies = null;
   }
 }