Fix corrupted cache when clear interrupts cache population request Change-Id: Ifebd1362ebfdaafcf0d13140c927680400580aed Reviewed-on: https://git.eclipse.org/r/9052 Tested-by: Hudson CI Reviewed-by: Bernd Hufmann <bhufmann@gmail.com> IP-Clean: Bernd Hufmann <bhufmann@gmail.com> Tested-by: Bernd Hufmann <bhufmann@gmail.com>