From f72c6f23cf0b23a3fa2c857e6ceafa6226ee741b Mon Sep 17 00:00:00 2001
From: Joshua Gross <joshuagross@fb.com>
Date: Fri, 18 Sep 2020 09:58:49 -0700
Subject: [PATCH] Reintroduce experiment flag for Reparenting/Flattening Differ

Summary:
This flag was deleted in D23374948 (https://github.com/facebook/react-native/commit/6729a3e0bfc01119c8513dfcbb1f5fbe5fe81263), reintroduce it.

Changelog: [Internal]

Reviewed By: sammy-SC

Differential Revision: D23771273

fbshipit-source-id: ae9595194bf14bc740d05b2ca6e7b5e22bdd566f
---
 ReactCommon/react/renderer/mounting/MountingCoordinator.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp b/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp
index d98ed0a4a74..2c9af008a80 100644
--- a/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp
+++ b/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp
@@ -93,7 +93,9 @@ better::optional<MountingTransaction> MountingCoordinator::pullTransaction()
     telemetry.willDiff();
 
     auto mutations = calculateShadowViewMutations(
-        *baseRevision_.rootShadowNode, *lastRevision_->rootShadowNode);
+        *baseRevision_.rootShadowNode,
+        *lastRevision_->rootShadowNode,
+        enableReparentingDetection_);
 
     telemetry.didDiff();