Crash fromList in QDeclarativePolylineMapItem

I keep getting a crash with the following stack trace. I haven't seen the crash on Android on IOS, but I don't get stack traces like this from those, so I wouldn't.

1 fromList(QObject const *, QList<QGeoCoordinate> const&) 0x7ffff7e6dec8
2 QDeclarativePolylineMapItem::path() const 0x7ffff7e6f9d6
3 ?? 0x7ffff7f266c4
4 QDeclarativePolylineMapItem::qt_metacall(QMetaObject::Call, int, void * *) 0x7ffff7f269db
5 QMetaProperty::read(QObject const *) const 0x7ffff65db415
6 ?? 0x7fffdc1dc650
7 ?? 0x7fffdc1dcd46
8 ?? 0x7fffdc1dce65
9 ?? 0x7fffdc1da621
10 QObject::event(QEvent *) 0x7ffff65fb7e2
11 QCoreApplication::notifyInternal2(QObject *, QEvent *) 0x7ffff65cecda
12 QCoreApplicationPrivate::sendPostedEvents(QObject *, int, QThreadData *) 0x7ffff65d17d3
13 ?? 0x7ffff6628304
14 g_main_context_dispatch 0x7ffff5021914
15 ?? 0x7ffff50757d1
16 g_main_context_iteration 0x7ffff5020121
17 QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) 0x7ffff6627941
18 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) 0x7ffff65cd65c
19 QCoreApplication::exec() 0x7ffff65d5af4
20 UiMobile::runUi ui_mobile.cpp 129 0x55555595aa67
... <More>