RFR: Minor fixes, microoptimizations and cleanup

Tue Oct 6 14:56:22 UTC 2020

On Thu, 1 Oct 2020 10:33:09 GMT, Dalibor Topic <robilad at openjdk.org> wrote:

>> Looks fine, thanks. I'll integrate once bots clear the OCA mess.
>
> I sent an OCA account check mail yesterday. Once I hear back from the user the bot can link their account in Skara,
> remove the check, and they will be good to go.

I didn't see a reply yet, so I sent another mail today.

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PR: https://git.openjdk.java.net/jol/pull/3