From 9e85af2a7982122f55782c617fe88fe482e5e062 Mon Sep 17 00:00:00 2001
From: Stuart Breckenridge <stuart.breckenridge@icloud.com>
Date: Mon, 13 Mar 2023 08:58:49 +0800
Subject: [PATCH] Fixes #3910
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UITableViewAlertForLayoutOutsideViewHierarchy will no longer fire as a check has been added to make sure that the tableView’s window property is not nil before performing batch updates.
---
 iOS/MasterFeed/MasterFeedViewController.swift | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/iOS/MasterFeed/MasterFeedViewController.swift b/iOS/MasterFeed/MasterFeedViewController.swift
index 0409d0e8b..43cd48db6 100644
--- a/iOS/MasterFeed/MasterFeedViewController.swift
+++ b/iOS/MasterFeed/MasterFeedViewController.swift
@@ -564,6 +564,8 @@ class MasterFeedViewController: UITableViewController, UndoableCommandRunner, Ma
 			return
 		}
 		
+		if tableView.window == nil { return }
+		
 		tableView.performBatchUpdates {
 			if let deletes = changes.deletes, !deletes.isEmpty {
 				tableView.deleteSections(IndexSet(deletes), with: .middle)