RFR: 8333884: MemorySegment::reinterpret removes read-only property [v4]

[Jorn Vernee]

On Fri, 5 Jul 2024 14:01:59 GMT, Per Minborg <pminborg at openjdk.org> wrote:

>> This PR proposes to retain the read-only state when any of the `MemorySegment::reinterpret` methods is called.
>> 
>> Previously, the read-only state was lost and the returned `MemorySegment` was always writable regardless of the original segment's read-only state.
>
> Per Minborg has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
> 
>  - Merge master
>  - Add read-only comment on asSegment too
>  - Rework docs
>  - Make reinterpret retain read-only state

Marked as reviewed by jvernee (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/19629#pullrequestreview-2160796925