From c4dfc634d0425a34b0af40a92a1150be2c5587a3 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 1 Oct 2020 17:45:25 +0300
Subject: [PATCH] Fix crash in main window destruction.

---
 Telegram/SourceFiles/window/main_window.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Telegram/SourceFiles/window/main_window.cpp b/Telegram/SourceFiles/window/main_window.cpp
index 8fe85f3973..fa177a3e08 100644
--- a/Telegram/SourceFiles/window/main_window.cpp
+++ b/Telegram/SourceFiles/window/main_window.cpp
@@ -705,6 +705,17 @@ void MainWindow::launchDrag(std::unique_ptr<QMimeData> data) {
 
 MainWindow::~MainWindow() {
 	_title.destroy();
+
+	// Otherwise:
+	// ~QWidget
+	// QWidgetPrivate::close_helper
+	// QWidgetPrivate::setVisible
+	// QWidgetPrivate::hide_helper
+	// QWidgetPrivate::hide_sys
+	// QWindowPrivate::setVisible
+	// QMetaObject::activate
+	// Window::MainWindow::handleVisibleChanged on a destroyed MainWindow.
+	hide();
 }
 
 } // namespace Window