RFR: Freeze functions [v8]

[Coleen Phillimore]

On Fri, 22 Apr 2022 12:40:31 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> Freeze functions
>
> Robbin Ehn has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
> 
>  - Fixed assert
>  - Merge branch 'fibers' into fast-funcs
>  - Freeze funcs

Still good. Smaller functions are good and any s/size/some-more-specific-size/ is appreciated.
Not this change but I wonder if moving freeze_fast_copy ahead of it's callers in the file would help gcc decide to inline it.

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Marked as reviewed by coleenp (Committer).

PR: https://git.openjdk.java.net/loom/pull/156