0	qt_assert	qglobal.cpp	1995	0x59bdae50	
1	QRegionPrivate::intersect	qregion.cpp	1255	0x51a37419	
2	QRegion::intersect	qregion.cpp	4163	0x51a3d5fa	
3	QRegion::intersected	qregion.h	91	0x519c3860	
4	QRegion::operator&	qregion.cpp	487	0x51a36760	
5	QRegion::operator&=	qregion.cpp	560	0x51a36938	
6	QWidgetBackingStore::sync	qbackingstore.cpp	1223	0x51acf2c2	
7	QWidgetPrivate::syncBackingStore	qwidget.cpp	1876	0x5185b72d	
8	QWidget::event	qwidget.cpp	8658	0x51869a96	
9	QMainWindow::event	qmainwindow.cpp	1457	0x51d997a4	
10	QApplicationPrivate::notify_helper	qapplication.cpp	4543	0x517e70be	
11	QApplication::notify	qapplication.cpp	4508	0x517e6d72	
12	QCoreApplication::notifyInternal	qcoreapplication.cpp	924	0x59d6e1b1	
13	QCoreApplication::sendEvent	qcoreapplication.h	209	0x59d73659	
14	QCoreApplicationPrivate::sendPostedEvents	qcoreapplication.cpp	1548	0x59d6f00b	
15	qt_internal_proc	qeventdispatcher_win.cpp	474	0x59db624a	
16	InternalCallWinProc	USER32		0x76246238	
17	UserCallWinProcCheckWow	USER32		0x762468ea	
18	DispatchMessageWorker	USER32		0x76247d31	
19	DispatchMessageW	USER32		0x76247dfa	
20	QEventDispatcherWin32::processEvents	qeventdispatcher_win.cpp	788	0x59db7266	
21	QGuiEventDispatcherWin32::processEvents	qapplication_win.cpp	1182	0x5189eabe	
22	QEventLoop::processEvents	qeventloop.cpp	128	0x59d6b66e	
23	QEventLoop::exec	qeventloop.cpp	182	0x59d6b7f6	
24	QCoreApplication::exec	qcoreapplication.cpp	1196	0x59d6e6ed	
25	QApplication::exec	qapplication.cpp	3805	0x517e4a68	
26	main	main.cpp	10	0xd4115f	
27	WinMain	qtmain_win.cpp	129	0xd42eda	
28	__tmainCRTStartup	crtexe.c	547	0xd42410	
29	WinMainCRTStartup	crtexe.c	371	0xd4219f	
30	BaseThreadInitThunk	kernel32		0x76133677	
31	__RtlUserThreadStart	ntdll32		0x77149f42	
32	_RtlUserThreadStart	ntdll32		0x77149f15