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>
1 file changed