Segmentation fault when using QML_SINGLETON with QAbstractListModel

// C++
class SingletonModel : public QAbstractListModel {
Q_OBJECT
QML_ELEMENT
QML_SINGLETON
// ...
}

// QML
import Backend

ListView {
model: SingletonModel
delegate: Item {}
}

# cmake
qt_add_qml_module(${PROJECT_NAME} URI "Backend" VERSION 1.0 QML_FILES "src/qml/main.qml" SOURCES "src/singleton_model.cpp")

#0  0x00007ffff74ca5df in ?? () from /usr/lib/libQt6Qml.so.6
#1  0x00007ffff74d0933 in QJSValue::toVariant(QJSValue::ObjectConversionBehavior) const () from /usr/lib/libQt6Qml.so.6
#2  0x0000555555561934 in QmlCacheGeneratedCode::_0x5f_Backend_src_qml_main_qml::aotBuiltFunctions::{lambda(QQmlPrivate::AOTCompiledContext const*, void*, QQmlPrivate::AOTCompiledContext const**)#2}::operator()(QQmlPrivate::AOTCompiledContext const, QQmlPrivate::AOTCompiledContext const*, void*) const::{lambda(QQmlPrivate::AOTCompiledContext const, void*)#1}::operator()(QQmlPrivate::AOTCompiledContext const, void*) const (__closure=0x7fffffffd4d7, aotContext=0x7fffffffd5a0, argumentsPtr=0x7fffffffd800)
    at /tmp/qml-singleton/build/.rcc/qmlcache/qml-singleton_src/qml/main_qml.cpp:320
#3  0x0000555555561e9a in QmlCacheGeneratedCode::_0x5f_Backend_src_qml_main_qml::wrapCall<QmlCacheGeneratedCode::_0x5f_Backend_src_qml_main_qml::aotBuiltFunctions::{lambda(QQmlPrivate::AOTCompiledContext const*, void*, QQmlPrivate::AOTCompiledContext const**)#2}::operator()(QQmlPrivate::AOTCompiledContext const, QQmlPrivate::AOTCompiledContext const*, void*) const::{lambda(QQmlPrivate::AOTCompiledContext const, void*)#1}>(QQmlPrivate::AOTCompiledContext const, QQmlPrivate::AOTCompiledContext const*, void*, QmlCacheGeneratedCode::_0x5f_Backend_src_qml_main_qml::aotBuiltFunctions::{lambda(QQmlPrivate::AOTCompiledContext const*, void*, QQmlPrivate::AOTCompiledContext const**)#2}::operator()(QQmlPrivate::AOTCompiledContext const, QQmlPrivate::AOTCompiledContext const*, void*) const::{lambda(QQmlPrivate::AOTCompiledContext const, void*)#1}&&) (aotContext=0x7fffffffd5a0, dataPtr=0x7fffffffd7a0, argumentsPtr=0x7fffffffd800, binding=...) at /tmp/qml-singleton/build/.rcc/qmlcache/qml-singleton_src/qml/main_qml.cpp:265
#4  0x00005555555619b9 in QmlCacheGeneratedCode::_0x5f_Backend_src_qml_main_qml::aotBuiltFunctions::{lambda(QQmlPrivate::AOTCompiledContext const*, void*, QQmlPrivate::AOTCompiledContext const**)#2}::operator()(QQmlPrivate::AOTCompiledContext const, QQmlPrivate::AOTCompiledContext const*, void*) const (__closure=0x0, aotContext=0x7fffffffd5a0, dataPtr=0x7fffffffd7a0, argumentsPtr=0x7fffffffd800) at /tmp/qml-singleton/build/.rcc/qmlcache/qml-singleton_src/qml/main_qml.cpp:300
#5  0x00005555555619fd in QmlCacheGeneratedCode::_0x5f_Backend_src_qml_main_qml::aotBuiltFunctions::{lambda(QQmlPrivate::AOTCompiledContext const*, void*, QQmlPrivate::AOTCompiledContext const**)#2}::_FUN(QQmlPrivate::AOTCompiledContext const, QQmlPrivate::AOTCompiledContext const*, void*) () at /tmp/qml-singleton/build/.rcc/qmlcache/qml-singleton_src/qml/main_qml.cpp:323
#6  0x00007ffff75a4310 in ?? () from /usr/lib/libQt6Qml.so.6
#7  0x00007ffff7524ed6 in QV4::Function::call(QObject*, void**, QMetaType const*, int, QV4::ExecutionContext*) () from /usr/lib/libQt6Qml.so.6
#8  0x00007ffff761c3ef in QQmlJavaScriptExpression::evaluate(void**, QMetaType const*, int) () from /usr/lib/libQt6Qml.so.6
#9  0x00007ffff75c95a5 in ?? () from /usr/lib/libQt6Qml.so.6
#10 0x00007ffff75c8cef in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from /usr/lib/libQt6Qml.so.6
#11 0x00007ffff763e8e5 in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () from /usr/lib/libQt6Qml.so.6
#12 0x00007ffff75e09b4 in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () from /usr/lib/libQt6Qml.so.6
#13 0x00007ffff75e0c0f in QQmlComponentPrivate::completeCreate() () from /usr/lib/libQt6Qml.so.6
#14 0x00007ffff75e0d05 in QQmlComponent::create(QQmlContext*) () from /usr/lib/libQt6Qml.so.6
#15 0x00007ffff75c6cd3 in QQmlApplicationEnginePrivate::finishLoad(QQmlComponent*) () from /usr/lib/libQt6Qml.so.6
#16 0x00007ffff75c85c1 in QQmlApplicationEngine::load(QUrl const&) () from /usr/lib/libQt6Qml.so.6
#17 0x000055555555a1f3 in main (argc=1, argv=0x7fffffffdd88) at /tmp/qml-singleton/src/main.cpp:13