[jdk21] RFR: 8306785: fix deficient spliterators for Sequenced Collections

[Roger Riggs]

On Thu, 13 Jul 2023 05:45:37 GMT, Stuart Marks <smarks at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [743e8b8e](https://github.com/openjdk/jdk/commit/743e8b8e0a9fe032a0dd652a4fef1f761af66595) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Stuart Marks on 12 Jul 2023 and was reviewed by Paul Sandoz.
> 
> Thanks!

Marked as reviewed by rriggs (Reviewer).

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PR Review: https://git.openjdk.org/jdk21/pull/118#pullrequestreview-1528521886