From 4ef2d3b957e1cf9d829937c4fefb6de58bcea00c Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 28 Jul 2021 17:34:39 +0300
Subject: [PATCH] Fix crash in mosaic layout.

---
 Telegram/SourceFiles/layout/layout_mosaic.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Telegram/SourceFiles/layout/layout_mosaic.cpp b/Telegram/SourceFiles/layout/layout_mosaic.cpp
index 48c29b1e6..682a1ab3e 100644
--- a/Telegram/SourceFiles/layout/layout_mosaic.cpp
+++ b/Telegram/SourceFiles/layout/layout_mosaic.cpp
@@ -251,13 +251,12 @@ int AbstractMosaicLayout::validateExistingRows(
 	auto untilRow = 0;
 	auto untilCol = 0;
 	while (until < count) {
-		auto &rowItems = _rows[untilRow].items;
 		if ((untilRow >= _rows.size())
-			|| checkItem(rowItems[untilCol], until)) {
+			|| checkItem(_rows[untilRow].items[untilCol], until)) {
 			break;
 		}
 		++until;
-		if (++untilCol == rowItems.size()) {
+		if (++untilCol == _rows[untilRow].items.size()) {
 			++untilRow;
 			untilCol = 0;
 		}