1   __pthread_kill                                                                                           0x7fff52389b6e 
2   pthread_kill                                                                                             0x7fff52554080 
3   abort                                                                                                    0x7fff522e51ae 
4   abort_message                                                                                            0x7fff501ecf8f 
5   __cxa_pure_virtual                                                                                       0x7fff50209952 
6   QGeoMapMapboxGLPrivate::removeMapItem(QDeclarativeGeoMapItemBase *)  qgeomapmapboxgl.cpp            244  0x10d30e44a    
7   QGeoMap::removeMapItem(QDeclarativeGeoMapItemBase *)                 qgeomap.cpp                    215  0x1000dac0f    
8   QDeclarativeGeoMap::removeMapItem(QDeclarativeGeoMapItemBase *)      qdeclarativegeomap.cpp         1882 0x100158918    
9   QDeclarativeGeoMapItemBase::~QDeclarativeGeoMapItemBase()            qdeclarativegeomapitembase.cpp 98   0x1001605cf    
10  QDeclarativePolygonMapItem::~QDeclarativePolygonMapItem()            qdeclarativepolygonmapitem.cpp 337  0x10016f6df    
11  QQmlPrivate::QQmlElement<QDeclarativePolygonMapItem>::~QQmlElement() qqmlprivate.h                  104  0x10af235d7    
12  QQmlPrivate::QQmlElement<QDeclarativePolygonMapItem>::~QQmlElement() qqmlprivate.h                  102  0x10af23515    
13  QQmlPrivate::QQmlElement<QDeclarativePolygonMapItem>::~QQmlElement() qqmlprivate.h                  102  0x10af23539    
14  qDeleteInEventHandler(QObject *)                                     qobject.cpp                    4598 0x1007aa98b    
15  QObject::event(QEvent *)                                             qobject.cpp                    1237 0x1007aa521    
16  QQuickItem::event(QEvent *)                                          qquickitem.cpp                 7886 0x100ec30b4    
17  QCoreApplicationPrivate::notify_helper(QObject *, QEvent *)          qcoreapplication.cpp           1193 0x10075d486    
18  doNotify(QObject *, QEvent *)                                        qcoreapplication.cpp           1134 0x10075cf6a    
19  QCoreApplication::notify(QObject *, QEvent *)                        qcoreapplication.cpp           1120 0x10075d037    
20  QGuiApplication::notify(QObject *, QEvent *)                         qguiapplication.cpp            1696 0x101f37d16    
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