From cc8f4aa24f797f48b31cfdce220f5bc1d6585ae5 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 12 Apr 2019 17:06:33 +0400
Subject: [PATCH] Fix crash in history clear.
---
Telegram/SourceFiles/history/history.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Telegram/SourceFiles/history/history.cpp b/Telegram/SourceFiles/history/history.cpp
index 1b7c63298..89935fc5d 100644
--- a/Telegram/SourceFiles/history/history.cpp
+++ b/Telegram/SourceFiles/history/history.cpp
@@ -2947,8 +2947,8 @@ void History::clear(ClearType type) {
changeUnreadCount(-unreadCount());
if (type == ClearType::DeleteChat) {
setLastMessage(nullptr);
- } else {
- if (_lastMessage && IsServerMsgId((*_lastMessage)->id)) {
+ } else if (_lastMessage && *_lastMessage) {
+ if (IsServerMsgId((*_lastMessage)->id)) {
(*_lastMessage)->applyEditionToHistoryCleared();
} else {
_lastMessage = std::nullopt;