RFR: 8329850: [AIX] Allow loading of different members of same shared library archive [v3]

[Joachim Kern]

On Thu, 25 Apr 2024 14:23:56 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> I discussed this with Martin. The meaning of the line is: Check if both are nullptr.
>> My original implementation was:
>> (((p_handletable + i)->member == nullptr && member == nullptr) ||
>> Martin favoured the shorter version above which will have the same result.
>
> It is, to me, not obvious where the member is reset. We delete it, but don't set the pointer to NULL.So, its not obvious that entry->member could not point to a former stale c heap address.
> 
> In any case, I prefer the cleanly written out logic. The generated code will be the same anyway, so this brevity just obfuscates your intent and confuses casual readers.

Back to the roots.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18676#discussion_r1579581240