Fix messages clear on history delete.

john-preston · john-preston · commit e86fec4ab6b1 · 2026-03-06T14:08:51.000+04:00
diff --git a/Telegram/SourceFiles/history/history.cpp b/Telegram/SourceFiles/history/history.cpp
@@ -3999,9 +3999,11 @@ void History::clear(ClearType type, bool markEmpty) {
 				_lastMessage = std::nullopt;
 			}
 		}
-		const auto tillId = (_lastMessage && *_lastMessage)
+		const auto tillId = (_lastMessage
+			&& (*_lastMessage)
+			&& (*_lastMessage)->isRegular())
 			? (*_lastMessage)->id
-			: std::numeric_limits<MsgId>::max();
+			: MsgId(std::numeric_limits<int64>::max());
 		clearUpTill(tillId);
 		if (blocks.empty() && _lastMessage && *_lastMessage) {
 			addItemToBlock(*_lastMessage);

Original file line number	Diff line number	Diff line change
`@@ -3999,9 +3999,11 @@ void History::clear(ClearType type, bool markEmpty) {`
`3999`	`3999`	`_lastMessage = std::nullopt;`
`4000`	`4000`	`}`
`4001`	`4001`	`}`
`4002`		`- const auto tillId = (_lastMessage && *_lastMessage)`
	`4002`	`+ const auto tillId = (_lastMessage`
	`4003`	`+ && (*_lastMessage)`
	`4004`	`+ && (*_lastMessage)->isRegular())`
`4003`	`4005`	`? (*_lastMessage)->id`
`4004`		`- : std::numeric_limits<MsgId>::max();`
	`4006`	`+ : MsgId(std::numeric_limits<int64>::max());`
`4005`	`4007`	`clearUpTill(tillId);`
`4006`	`4008`	`if (blocks.empty() && _lastMessage && *_lastMessage) {`
`4007`	`4009`	`addItemToBlock(*_lastMessage);`