From dff168c62e275204e680a8075f1b667e82bdce8b Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 31 Aug 2023 22:43:26 +0400
Subject: [PATCH] Version 4.9.4: Workaround MSVC optimization bug.

When adding some de-optimizing code, like logging etc,
the issue disappears. This volatile workaround looks like it works.
---
 Telegram/SourceFiles/dialogs/dialogs_main_list.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Telegram/SourceFiles/dialogs/dialogs_main_list.cpp b/Telegram/SourceFiles/dialogs/dialogs_main_list.cpp
index b9c7b2c7b..9e643555a 100644
--- a/Telegram/SourceFiles/dialogs/dialogs_main_list.cpp
+++ b/Telegram/SourceFiles/dialogs/dialogs_main_list.cpp
@@ -194,6 +194,11 @@ UnreadState MainList::unreadState() const {
 		result.chatsMuted = result.chats;
 		result.marksMuted = result.marks;
 	}
+	volatile auto touch = _unreadState.marks + _unreadState.marksMuted
+		+ _unreadState.messages + _unreadState.messagesMuted
+		+ _unreadState.chats + _unreadState.chatsMuted
+		+ _unreadState.reactions + _unreadState.reactionsMuted
+		+ _unreadState.mentions;
 	return result;
 }