RFR: 8329850: [AIX] Allow loading of different members of same shared library archive

[Joachim Kern]

On Mon, 8 Apr 2024 12:27:05 GMT, Joachim Kern <jkern at openjdk.org> wrote:

> With [JDK-8320890](https://bugs.openjdk.org/browse/JDK-8320890) we introduced the capability not to load shared libraries twice if the application wants to do that. Instead we just rise a ref counter. Unfortunately this also suppresses the loading of a second member of a shared library.
> This fix introduces an additionally stored hash value for each loaded member and only suppresses duplicate loading if the same member is loaded twice.
> If a shared library has no member a hash value of 0 is used to make the code orthogonal.

@tstuefe Would you be so kind and please take a look?

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PR Comment: https://git.openjdk.org/jdk/pull/18676#issuecomment-2056354745