AddressSanitizer:DEADLYSIGNAL
=================================================================
==29202==ERROR: AddressSanitizer: SEGV on unknown address 0x7ff505000028 (pc 0x7ff50dcfa270 bp 0x60f00003fe20 sp 0x7ffc510da960 T0)
==29202==The signal is caused by a READ memory access.
    #0 0x7ff50dcfa26f in QQuickItemViewTransitionableItem::startTransition(QQuickItemViewTransitioner*, int) (/path/to/Qt/5.12.0/gcc_64/lib/libQt5Quick.so.5+0x2e426f)
    #1 0x7ff4fd6ac4a1 in QQuickStackViewPrivate::startTransition(QQuickStackTransition const&, QQuickStackTransition const&, bool) (/path/to/Qt/5.12.0/gcc_64/lib/libQt5QuickTemplates2.so.5+0xcd4a1)
    #2 0x7ff4fd6aa564 in QQuickStackView::replace(QQmlV4Function*) (/path/to/Qt/5.12.0/gcc_64/lib/libQt5QuickTemplates2.so.5+0xcb564)
    #3 0x7ff4fd6ce5db in QQuickStackView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (/path/to/Qt/5.12.0/gcc_64/lib/libQt5QuickTemplates2.so.5+0xef5db)
    #4 0x7ff4fd6cea27 in QQuickStackView::qt_metacall(QMetaObject::Call, int, void**) (/path/to/Qt/5.12.0/gcc_64/lib/libQt5QuickTemplates2.so.5+0xefa27)
    #5 0x7ff50ce00b88 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const (/path/to/Qt/5.12.0/gcc_64/lib/libQt5Qml.so.5+0x2abb88)
    #6 0x7ff50cd0b270 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const (/path/to/Qt/5.12.0/gcc_64/lib/libQt5Qml.so.5+0x1b6270)
    #7 0x7ff50cd8d5bc in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, QV4::Value*, int, QV4::Value*, int) (/path/to/Qt/5.12.0/gcc_64/lib/libQt5Qml.so.5+0x2385bc)
    #8 0x7ff4f24a277e  (/memfd:JITCode:/path/to/Qt/5.12.0/gcc_64/lib/libQt5Qml.so.5 (deleted)+0x77e)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/path/to/Qt/5.12.0/gcc_64/lib/libQt5Quick.so.5+0x2e426f) in QQuickItemViewTransitionableItem::startTransition(QQuickItemViewTransitioner*, int)
==29202==ABORTING