RFR: Small fixes - shipment one

[Coleen Phillimore]

On Tue, 22 Mar 2022 14:18:42 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

> Reducing the number of variables, the number of assignment to each variable, white-spaces, renamed some variables, removed unnecessary template, etc...
> Except the removal of template 'bottom', the code is the same. (assert is moved up one level)
> 
> Passes 1-3 (no new failures)
> It seem to be slightly faster than before, but at least on par.
> 
> This is not complete at all, but to avoid merge conflict I want to ship, and also make someone happy about removing a template.

| and also make someone happy about removing a template.
me!

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PR: https://git.openjdk.java.net/loom/pull/114