From 4bd0683e91e2bf64b8b08f2608f85e70d1395d4e Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 5 Jul 2019 16:29:02 +0200
Subject: [PATCH] Guard UpdateRequest handling.

---
 Telegram/SourceFiles/core/sandbox.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Telegram/SourceFiles/core/sandbox.cpp b/Telegram/SourceFiles/core/sandbox.cpp
index 01cd5c79a..2f4e3b820 100644
--- a/Telegram/SourceFiles/core/sandbox.cpp
+++ b/Telegram/SourceFiles/core/sandbox.cpp
@@ -502,7 +502,11 @@ bool Sandbox::notify(QObject *receiver, QEvent *e) {
 	const auto wrap = createEventNestingLevel();
 	const auto type = e->type();
 	if (type == QEvent::UpdateRequest) {
+		const auto weak = make_weak(receiver);
 		_widgetUpdateRequests.fire({});
+		if (!weak) {
+			return true;
+		}
 	}
 	return QApplication::notify(receiver, e);
 }