RFR: 286: Add a link to CSR in the PR's first comment [v4]

[Guoxiong Li]

On Wed, 24 Nov 2021 16:16:06 GMT, Guoxiong Li <gli at openjdk.org> wrote:

>> Hi all,
>> 
>> This patch adds a link to the csr in the PR's first comment under **Issue**.
>> And the corresponding test is added.
>> 
>> Thanks for taking the time to review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add logging.

I updated the code to reduce the nested `if` statements and reduce the number of iterations in `for` statement.

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PR: https://git.openjdk.java.net/skara/pull/1244