From 563d3771a5f5c1aaabd885e1a226864a9741e078 Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@me.com>
Date: Wed, 8 Apr 2020 13:40:27 +0100
Subject: [PATCH] Reset nextEffect points with the new passive effect feature
 flag too

---
 packages/react-reconciler/src/ReactFiberWorkLoop.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.js b/packages/react-reconciler/src/ReactFiberWorkLoop.js
index 24420f9ebebbf..715277d6b17c0 100644
--- a/packages/react-reconciler/src/ReactFiberWorkLoop.js
+++ b/packages/react-reconciler/src/ReactFiberWorkLoop.js
@@ -2273,6 +2273,8 @@ function flushPassiveEffectsImpl() {
     for (let i = 0; i < unmountEffects.length; i += 2) {
       const effect = ((unmountEffects[i]: any): HookEffect);
       const fiber = ((unmountEffects[i + 1]: any): Fiber);
+      // Remove nextEffect pointer to assist GC
+      fiber.nextEffect = null;
       const destroy = effect.destroy;
       effect.destroy = undefined;
       if (typeof destroy === 'function') {
@@ -2324,6 +2326,8 @@ function flushPassiveEffectsImpl() {
     for (let i = 0; i < mountEffects.length; i += 2) {
       const effect = ((mountEffects[i]: any): HookEffect);
       const fiber = ((mountEffects[i + 1]: any): Fiber);
+      // Remove nextEffect pointer to assist GC
+      fiber.nextEffect = null;
       if (__DEV__) {
         setCurrentDebugFiberInDEV(fiber);
         if (