[CRASH] QQmlDelegateModel is using objects that are deleted by VM

The object that QQmlDelegateModelPrivate::release tries to use was just deleted by VM.

Here is the call stack:

0 ?? 0x200040034
1 QMetaObject::cast qmetaobject.cpp 339 0x7ffff6889374
2 qobject_cast<QQmlDelegateModelItem*> qobject.h 528 0x7ffff6f93500
3 QQmlDelegateModelItem::dataForObject qqmldelegatemodel.cpp 1973 0x7ffff6f8a4df
4 QQmlDelegateModelPrivate::release qqmldelegatemodel.cpp 509 0x7ffff6f82bf6
5 QQmlDelegateModel::release qqmldelegatemodel.cpp 533 0x7ffff6f82ccd
6 QQuickItemViewPrivate::releaseItem qquickitemview.cpp 2350 0x7ffff7ba4c47
7 QQuickListViewPrivate::releaseItem qquicklistview.cpp 604 0x7ffff7b44567
8 QQuickItemViewPrivate::clear qquickitemview.cpp 1685 0x7ffff7ba1a7b
9 QQuickListViewPrivate::clear qquicklistview.cpp 553 0x7ffff7b4419b
10 QQuickItemView::setModel qquickitemview.cpp 291 0x7ffff7b9b8db
11 QQuickItemView::qt_metacall moc_qquickitemview_p.cpp 817 0x7ffff7c3b76a
12 QQuickListView::qt_metacall moc_qquicklistview_p.cpp 576 0x7ffff7c285a8
13 QMetaObject::metacall qmetaobject.cpp 303 0x7ffff68892ff
14 QQmlPropertyPrivate::write qqmlproperty.cpp 1314 0x7ffff6e9ade8
15 QQmlPropertyPrivate::writeValueProperty qqmlproperty.cpp 1238 0x7ffff6e9a6a1
16 QQmlPropertyPrivate::writeBinding qqmlproperty.cpp 1571 0x7ffff6e9c969
17 QQmlBinding::update qqmlbinding.cpp 230 0x7ffff6f25636
18 QQmlBinding::update qqmlbinding_p.h 97 0x7ffff6f260ca
19 QQmlBinding::expressionChanged qqmlbinding.cpp 291 0x7ffff6f25bdc
20 QQmlJavaScriptExpressionGuard_callback qqmljavascriptexpression.cpp 363 0x7ffff6f1b9a6
21 QQmlNotifier::emitNotify qqmlnotifier.cpp 73 0x7ffff6ef9f97
22 QQmlData::signalEmitted qqmlengine.cpp 709 0x7ffff6e804ce
23 QMetaObject::activate qobject.cpp 3596 0x7ffff68c3628
24 QMetaObject::activate qobject.cpp 3575 0x7ffff68c342e
25 MyObjectList::listChanged moc_myobjectlist.cpp 160 0x4051f5
26 MyObjectList::qt_static_metacall moc_myobjectlist.cpp 77 0x404f5b
27 QMetaObject::activate qobject.cpp 3709 0x7ffff68c3c1d
28 QMetaObject::activate qobject.cpp 3575 0x7ffff68c342e
29 QTimer::timeout moc_qtimer.cpp 192 0x7ffff6954cf7
30 QTimer::timerEvent qtimer.cpp 255 0x7ffff68cecf1
31 QObject::event qobject.cpp 1230 0x7ffff68bd2b4
32 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 1057 0x7ffff6880dec
33 QCoreApplication::notify qcoreapplication.cpp 1002 0x7ffff6880ace
34 QGuiApplication::notify qguiapplication.cpp 1556 0x7ffff72bbc2e
35 QCoreApplication::notifyInternal qcoreapplication.cpp 940 0x7ffff68809d8
36 QCoreApplication::sendEvent qcoreapplication.h 236 0x7ffff68845f3
37 QTimerInfoList::activateTimers qtimerinfo_unix.cpp 643 0x7ffff68f7d34
38 timerSourceDispatch qeventdispatcher_glib.cpp 185 0x7ffff68f904a
39 g_main_context_dispatch /lib/x86_64-linux-gnu/libglib-2.0.so.0 0x7ffff2716c1d
40 ?? /lib/x86_64-linux-gnu/libglib-2.0.so.0 0x7ffff2716f08
41 g_main_context_iteration /lib/x86_64-linux-gnu/libglib-2.0.so.0 0x7ffff2716fbc
42 QEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 428 0x7ffff68f9a19
43 QPAEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 123 0x7fffee8959fa
44 QEventLoop::processEvents qeventloop.cpp 136 0x7ffff687d67c
45 QEventLoop::exec qeventloop.cpp 212 0x7ffff687d955
46 QCoreApplication::exec qcoreapplication.cpp 1193 0x7ffff68810b2
47 QGuiApplication::exec qguiapplication.cpp 1535 0x7ffff72bbb56
48 main main.cpp 16 0x402375

I attached a simple example which can be used to reproduce the problem every time.