Crash delivering hover event to already-deleted MouseArea

import QtQuick 2.1

Item {
  width: 200
  height: 200

  MouseArea {
    id: area
    anchors.fill: parent
    hoverEnabled: true
  }

  Loader {
    anchors.fill: parent
    active: area.containsMouse
    sourceComponent: Rectangle {
      color: 'blue'

      MouseArea {
        anchors.fill: parent
        hoverEnabled: true
      }
    }
  }
}

>	Qt5Quickd.dll!QQuickItemPrivate::itemToWindowTransform()  Line 2620 + 0x6 bytes	C++
 	Qt5Quickd.dll!QQuickItemPrivate::windowToItemTransform()  Line 2611 + 0x12 bytes	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::sendHoverEvent(QEvent::Type type, QQuickItem * item, const QPointF & scenePos, const QPointF & lastScenePos, QFlags<enum Qt::KeyboardModifier> modifiers, bool accepted)  Line 1375	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::deliverHoverEvent(QQuickItem * item, const QPointF & scenePos, const QPointF & lastScenePos, QFlags<enum Qt::KeyboardModifier> modifiers, bool & accepted)  Line 1450	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::deliverHoverEvent(QQuickItem * item, const QPointF & scenePos, const QPointF & lastScenePos, QFlags<enum Qt::KeyboardModifier> modifiers, bool & accepted)  Line 1430 + 0x1c bytes	C++
 	Qt5Quickd.dll!QQuickWindowPrivate::deliverHoverEvent(QQuickItem * item, const QPointF & scenePos, const QPointF & lastScenePos, QFlags<enum Qt::KeyboardModifier> modifiers, bool & accepted)  Line 1430 + 0x1c bytes	C++
 	Qt5Quickd.dll!QQuickWindow::mouseMoveEvent(QMouseEvent * event)  Line 1402 + 0x34 bytes	C++
 	Qt5Quickd.dll!QQuickView::mouseMoveEvent(QMouseEvent * e)  Line 598	C++
 	Qt5Guid.dll!QWindow::event(QEvent * ev)  Line 1839	C++
 	Qt5Quickd.dll!QQuickWindow::event(QEvent * e)  Line 1212	C++
 	Qt5Widgetsd.dll!QApplicationPrivate::notify_helper(QObject * receiver, QEvent * e)  Line 3464 + 0x11 bytes	C++
 	Qt5Widgetsd.dll!QApplication::notify(QObject * receiver, QEvent * e)  Line 2885 + 0x10 bytes	C++
 	Qt5Cored.dll!QCoreApplication::notifyInternal(QObject * receiver, QEvent * event)  Line 867 + 0x15 bytes	C++
 	Qt5Cored.dll!QCoreApplication::sendSpontaneousEvent(QObject * receiver, QEvent * event)  Line 235 + 0x38 bytes	C++
 	Qt5Guid.dll!QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent * e)  Line 1463 + 0xe bytes	C++
 	Qt5Guid.dll!QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent * e)  Line 1286 + 0x9 bytes	C++
 	Qt5Guid.dll!QWindowSystemInterface::sendWindowSystemEventsImplementation(QFlags<enum QEventLoop::ProcessEventsFlag> flags)  Line 581 + 0x9 bytes	C++
 	Qt5Guid.dll!QWindowSystemInterface::sendWindowSystemEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags)  Line 561 + 0x9 bytes	C++
 	qwindowsd.dll!QWindowsGuiEventDispatcher::sendPostedEvents()  Line 86 + 0xd bytes	C++
 	Qt5Cored.dll!qt_internal_proc(HWND__ * hwnd, unsigned int message, unsigned int wp, long lp)  Line 431	C++
 	user32.dll!_InternalCallWinProc@20()  + 0x23 bytes	
 	user32.dll!_UserCallWinProcCheckWow@36()  + 0xbd bytes	
 	user32.dll!_DispatchMessageWorker@8()  + 0xf8 bytes	
 	user32.dll!_DispatchMessageW@4()  + 0x10 bytes	
 	Qt5Cored.dll!QEventDispatcherWin32::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags)  Line 752	C++
 	qwindowsd.dll!QWindowsGuiEventDispatcher::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags)  Line 78 + 0xd bytes	C++
 	Qt5Cored.dll!QEventLoop::processEvents(QFlags<enum QEventLoop::ProcessEventsFlag> flags)  Line 137	C++
 	Qt5Cored.dll!QEventLoop::exec(QFlags<enum QEventLoop::ProcessEventsFlag> flags)  Line 212 + 0x26 bytes	C++
 	Qt5Cored.dll!QCoreApplication::exec()  Line 1120 + 0x15 bytes	C++
 	Qt5Guid.dll!QGuiApplication::exec()  Line 1221	C++
 	Qt5Widgetsd.dll!QApplication::exec()  Line 2697	C++
 	qmlscene.exe!main(int argc, char * * argv)  Line 533 + 0x6 bytes	C++
 	qmlscene.exe!__tmainCRTStartup()  Line 555 + 0x19 bytes	C
 	qmlscene.exe!mainCRTStartup()  Line 371	C