Cherry-pick a1c02a

Original message:
commit a1c02a31ec771ab6992b170a1e044de91ba112e6
Author: sumit.ray@baesystems.com <sumit.ray@baesystems.com>
Date:   Fri Mar 11 13:29:16 2022 -0500

    Added a guard to first check for a null token when checking for a null object. Currently used in xref processing.