RFR: 8291360: Create entry points to expose low-level class file information

[Roger Riggs]

On Mon, 1 Aug 2022 16:44:22 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

>> My companion question was whether the native code can for efficiently map from array class to component type than Java.
>
> I don't know whether Java or the JVM is faster but I would rather keep this code in Java so that I don't have to change existing method JVM_GetClassAccessFlags().  (It's used by Class.getClassAccessFlagsRaw().)

Makes sense, re-using the existing method.

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PR: https://git.openjdk.org/jdk/pull/9688