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Fix crash in history clear.

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This commit is contained in:
John Preston 2019-04-12 17:06:33 +04:00
parent 60e36b1411
commit cc8f4aa24f
1 changed files with 2 additions and 2 deletions
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4
Telegram/SourceFiles/history/history.cpp
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@ -2947,8 +2947,8 @@ void History::clear(ClearType type) {
changeUnreadCount(-unreadCount()); changeUnreadCount(-unreadCount());
if (type == ClearType::DeleteChat) { if (type == ClearType::DeleteChat) {
setLastMessage(nullptr); setLastMessage(nullptr);
} else { } else if (_lastMessage && *_lastMessage) {
if (_lastMessage && IsServerMsgId((*_lastMessage)->id)) { if (IsServerMsgId((*_lastMessage)->id)) {
(*_lastMessage)->applyEditionToHistoryCleared(); (*_lastMessage)->applyEditionToHistoryCleared();
} else { } else {
_lastMessage = std::nullopt; _lastMessage = std::nullopt;