RFR: 8347147: [REDO] AccessFlags can be u2 in metadata [v3]

[Yudi Zheng]

On Wed, 8 Jan 2025 16:43:51 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> This is the same change that I pushed as commit 098afc8b7d0e7caa82999fb9d4e319ea8aed09a1 but now coordinated with @mur47x111  for the graal changes.
>> 
>> A tier1 sanity test complete.
>
> Coleen Phillimore has refreshed the contents of this pull request, and previous commits have been removed. Incremental views are not available. The pull request now contains one commit:
> 
>   8347147: [REDO] AccessFlags can be u2 in metadata

Marked as reviewed by yzheng (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/22968#pullrequestreview-2538071009