RFR: Use very defensive programming in CSRCommand

Wed Feb 5 10:07:20 UTC 2020

On Wed, 5 Feb 2020 10:01:30 GMT, Robin Westberg <rwestberg at openjdk.org> wrote:

>> Hi all,
>> 
>> please review this follow-up patch to 5632c91342c703d2197aad402492c3679762638e
>> that uses even more defensive programming to avoid `null` pointers.
>> 
>> Thanks,
>> Erik
> 
> This should do it!

> This should do it!

:crossed_fingers:

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PR: https://git.openjdk.java.net/skara/pull/397