Do that by keeping the QWeakPointer that track QObject independent of
the ones that track QSharedPointer.
QSharedPointer do not touch the sharedRefCount in QObjectPrivate anymore
When converting a QWeakPointer constructed from a QObject to a
QSharedPointer, it will display a warning saying one should not do that.
Task-number: QTBUG-22622
Change-Id: I3595e3e7401702410776c458687ab357ad9366ab
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
497622cafe