#0  0x00007ffff5c2c0c3 in QSortFilterProxyModel::parent(QModelIndex const&) const () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#1  0x00007ffff5bde774 in QPersistentModelIndex::parent() const () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#2  0x00007ffff5bf9639 in QItemSelectionRange::isEmpty() const () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#3  0x00007ffff5bf9863 in ?? () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#4  0x00007ffff5bff852 in QItemSelectionModel::hasSelection() const () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#5  0x00007ffff748e5ec in QHeaderView::paintEvent(QPaintEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#6  0x00007ffff71efcce in QWidget::event(QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#7  0x00007ffff72819d6 in QFrame::event(QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#8  0x00007ffff597b9c6 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#9  0x00007ffff7190105 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#10 0x00007ffff597bcaa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#11 0x00007ffff71e6fda in QWidgetPrivate::sendPaintEvent(QRegion const&) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#12 0x00007ffff71e781a in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#13 0x00007ffff71fb9a7 in QWidgetRepaintManager::paintAndFlush() () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#14 0x00007ffff71efe18 in QWidget::event(QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#15 0x00007ffff7190116 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Widgets.so.6
#16 0x00007ffff597bcaa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#17 0x00007ffff597f66a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#18 0x00007ffff5c562a7 in ?? () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#19 0x00007ffff570d559 in g_main_dispatch (context=0x7fffe0000f30) at ../glib/glib/gmain.c:3357
#20 0x00007ffff5770157 in g_main_context_dispatch_unlocked (context=0x7fffe0000f30) at ../glib/glib/gmain.c:4208
#21 g_main_context_iterate_unlocked.isra.0 (context=context@entry=0x7fffe0000f30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4273
#22 0x00007ffff570ca55 in g_main_context_iteration (context=0x7fffe0000f30, may_block=1) at ../glib/glib/gmain.c:4338
#23 0x00007ffff5c55a2d in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6
#24 0x00007fffcc79bd3a in ?? () from /home/semlanik/qtcreator-15.0.0-rc1/lib/qtcreator/plugins/libCore.so
#25 0x00007ffff59de038 in ?? () from /home/semlanik/qtcreator-15.0.0-rc1/bin/../lib/Qt/lib/libQt6Core.so.6