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
QOM reference counting bugs are often hard to detect, but there's one kind of bug that's easier: if we are freeing an object but is still attached to a parent, it means the reference count is wrong (because the parent always hold a reference to their children). Add an assertion to make sure we detect those cases. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20201215224133.3545901-3-ehabkost@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>