RFR: 8339113: AccessFlags can be u2 in metadata [v5]

[Martin Doerr]

On Thu, 2 Jan 2025 12:34:59 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> The instruction looks still correct. We are checking the same bit of the 64 bit register as before. (Using `testbitdi` would also work.)
>
> I changed this to testbitdi.

Ok.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22246#discussion_r1900849068