RFR: 8356634: VectorShape#largestShapeFor should have public access [v4]

[Ian Graves]

On Thu, 29 May 2025 21:52:30 GMT, Ian Graves <igraves at openjdk.org> wrote:

>> VectorShape#largestShapeFor is referenced in existing JavaDoc but has been package-private. This propose change makes it public and adds documentation for it.
>
> Ian Graves has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Adding test coverage

Added test coverage for this method based on its codepath and the *MaxVector shape path for consistency.

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PR Comment: https://git.openjdk.org/jdk/pull/25513#issuecomment-2920681247