Holding QObject* from a model in delegate leaks memory with TableView

1,256 bytes in 1 blocks are possibly lost in loss record 296 of 331
  in main in /home/jopoikel/qtbug82000/main.cpp:36
  1: operator new[](unsigned long) in /home/jopoikel/work/valgrind/coregrind/m_replacemalloc/vg_replace_malloc.c:431
  2: QStringHash<QPair<int, QQmlPropertyData*> >::reserve(int) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/ftw/qstringhash_p.h:760
  3: QQmlPropertyCache::update(QMetaObject const*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlpropertycache.cpp:706
  4: QQmlPropertyCache::QQmlPropertyCache(QMetaObject const*, int) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlpropertycache.cpp:219
  5: VDMAbstractItemModelDataType::initializeMetaType(QQmlAdaptorModel&) in /home/jopoikel/work/qt/git/qtdeclarative/src/qmlmodels/qqmladaptormodel.cpp:545
  6: VDMAbstractItemModelDataType::createItem(QQmlAdaptorModel&, QQmlDelegateModelItemMetaType*, int, int, int) const in /home/jopoikel/work/qt/git/qtdeclarative/src/qmlmodels/qqmladaptormodel.cpp:515
  7: QQmlAdaptorModel::createItem(QQmlDelegateModelItemMetaType*, int) in /home/jopoikel/work/qt/git/qtdeclarative/src/qmlmodels/qqmladaptormodel_p.h:144
  8: QQmlTableInstanceModel::resolveModelItem(int) in /home/jopoikel/work/qt/git/qtdeclarative/src/qmlmodels/qqmltableinstancemodel.cpp:152
  9: QQmlTableInstanceModel::object(int, QQmlIncubator::IncubationMode) in /home/jopoikel/work/qt/git/qtdeclarative/src/qmlmodels/qqmltableinstancemodel.cpp:169
  10: QQuickTableViewPrivate::createFxTableItem(QPoint const&, QQmlIncubator::IncubationMode) in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:994
  11: QQuickTableViewPrivate::loadFxTableItem(QPoint const&, QQmlIncubator::IncubationMode) in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:1052
  12: QQuickTableViewPrivate::processLoadRequest() in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:1570
  13: QQuickTableViewPrivate::beginRebuildTable() in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:1862
  14: QQuickTableViewPrivate::processRebuildTable() in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:1621
  15: QQuickTableViewPrivate::updateTable() in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:2101
  16: QQuickTableViewPrivate::updateTableRecursive() in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:2056
  17: QQuickTableViewPrivate::updatePolish() in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:2043
  18: QQuickTableViewPrivate::_q_componentFinalized() in /home/jopoikel/work/qt/git/qtdeclarative/src/quick/items/qquicktableview.cpp:2879
  19: QQuickTableView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) in /home/jopoikel/work/qt/5.14/qtdeclarative/src/quick/.moc/moc_qquicktableview_p.cpp:223
  20: QQuickTableView::qt_metacall(QMetaObject::Call, int, void**) in /home/jopoikel/work/qt/5.14/qtdeclarative/src/quick/.moc/moc_qquicktableview_p.cpp:393
  21: QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) in /home/jopoikel/work/qt/git/qtbase/src/corelib/kernel/qmetaobject.cpp:316
  22: QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlobjectcreator.cpp:1423
  23: QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:969
  24: QQmlComponentPrivate::completeCreate() in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:1005
  25: QQmlComponent::completeCreate() in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:997
  26: QQmlComponent::create(QQmlContext*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:811
  27: QQmlApplicationEnginePrivate::finishLoad(QQmlComponent*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:134
  28: QQmlApplicationEnginePrivate::startLoad(QUrl const&, QByteArray const&, bool) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:118
  29: QQmlApplicationEngine::load(QUrl const&) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:264
  30: main in /home/jopoikel/qtbug82000/main.cpp:36

57,360 bytes in 1 blocks are possibly lost in loss record 330 of 331
  in main in /home/jopoikel/qtbug82000/main.cpp:36
  1: malloc in /home/jopoikel/work/valgrind/coregrind/m_replacemalloc/vg_replace_malloc.c:307
  2: QRecyclePoolPrivate<QQmlJavaScriptExpressionGuard, 1024>::allocate() in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/ftw/qrecyclepool_p.h:189
  3: QQmlJavaScriptExpressionGuard* QRecyclePool<QQmlJavaScriptExpressionGuard, 1024>::New<QQmlJavaScriptExpression*>(QQmlJavaScriptExpression*&) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/ftw/qrecyclepool_p.h:150
  4: QQmlJavaScriptExpressionGuard::New(QQmlJavaScriptExpression*, QQmlEngine*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmljavascriptexpression_p.h:277
  5: QQmlPropertyCapture::captureProperty(QObject*, int, int, bool) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmljavascriptexpression.cpp:313
  6: QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/jsruntime/qv4qobjectwrapper.cpp:261
  7: QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, QQmlPropertyData**) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/jsruntime/qv4qobjectwrapper.cpp:388
  8: QV4::QQmlContextWrapper::getPropertyAndBase(QV4::QQmlContextWrapper const*, QV4::PropertyKey, QV4::Value const*, bool*, QV4::Value*, QV4::Lookup*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/jsruntime/qv4qmlcontext.cpp:285
  9: QV4::QQmlContextWrapper::resolveQmlContextPropertyLookupGetter(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/jsruntime/qv4qmlcontext.cpp:481
  10: QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/jsruntime/qv4vme_moth.cpp:585
  11: QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/jsruntime/qv4vme_moth.cpp:463
  12: QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/jsruntime/qv4function.cpp:69
  13: QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmljavascriptexpression.cpp:211
  14: QQmlBinding::evaluate(bool*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlbinding.cpp:210
  15: QQmlNonbindingBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&, QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlbinding.cpp:246
  16: QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlbinding.cpp:186
  17: QQmlBinding::setEnabled(bool, QFlags<QQmlPropertyData::WriteFlag>) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlbinding.cpp:553
  18: QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlobjectcreator.cpp:1391
  19: QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:969
  20: QQmlComponentPrivate::completeCreate() in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:1005
  21: QQmlComponent::completeCreate() in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:997
  22: QQmlComponent::create(QQmlContext*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:811
  23: QQmlApplicationEnginePrivate::finishLoad(QQmlComponent*) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:134
  24: QQmlApplicationEnginePrivate::startLoad(QUrl const&, QByteArray const&, bool) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:118
  25: QQmlApplicationEngine::load(QUrl const&) in /home/jopoikel/work/qt/git/qtdeclarative/src/qml/qml/qqmlapplicationengine.cpp:264
  26: main in /home/jopoikel/qtbug82000/main.cpp:36