What happens in relation to the CRL cache after a cpstop;spstart has been initiated?

What happens in relation to the CRL cache after a cpstop;spstart has been initiated?

A.
The gateway continues to use the old CRL even if it is not valid, until a new CRL is cached

B.
The gateway continues to use the old CRL, as long as it is valid.

C.
The gateway issues a crl_zap on startup, which empties the cache and forces Certificate retrieval.

D.
The gateway retrieves a new CRL on startup, then discards the old CRL as invalid.