Crash in QQuickItem destructor

>	Qt5Quickd.dll!QQuickItem::~QQuickItem() Line 2314	C++
 	Qt5Quickd.dll!QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement<QQuickItem>() Line 104	C++
 	[External Code]	
 	Qt5Cored.dll!QObjectPrivate::deleteChildren() Line 1970	C++
 	Qt5Cored.dll!QObject::~QObject() Line 1041	C++
 	Qt5Quickd.dll!QQuickItem::~QQuickItem() Line 2356	C++
 	Qt5Quickd.dll!QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement<QQuickItem>() Line 104	C++
 	[External Code]	
 	Qt5Cored.dll!QObjectPrivate::deleteChildren() Line 1970	C++
 	Qt5Cored.dll!QObject::~QObject() Line 1041	C++
 	Qt5Guid.dll!QWindow::~QWindow() Line 215	C++
 	Qt5Quickd.dll!QQuickWindow::~QQuickWindow() Line 1303	C++
 	Qt5Quickd.dll!QQmlPrivate::QQmlElement<QQuickWindow>::~QQmlElement<QQuickWindow>() Line 104	C++
 	[External Code]	
 	Qt5Qmld.dll!qDeleteAll<QList<QObject * __ptr64>::const_iterator>(QList<QObject *>::const_iterator begin={...}, QList<QObject *>::const_iterator end={...}) Line 320	C++
 	Qt5Qmld.dll!qDeleteAll<QList<QObject * __ptr64> >(const QList<QObject *> & c={...}) Line 329	C++
 	Qt5Qmld.dll!QQmlApplicationEnginePrivate::cleanUp() Line 62	C++
 	Qt5Qmld.dll!QQmlApplicationEngine::~QQmlApplicationEngine() Line 241	C++
 	QtQuickCrash.exe!main(int argc=2, char * * argv=0x0000021ab8137ee0) Line 8	C++
 	[External Code]