RFR: JDK-8320890: [AIX] Find a better way to mimic dl handle equality [v4]

[Thomas Stuefe]

On Fri, 15 Dec 2023 09:57:19 GMT, Joachim Kern <jkern at openjdk.org> wrote:

>  If we omit the xcoff32 we have to ensure that no xcoff32 executable file comes into play.

xcoff32 is for 32-bit binaries. The AIX port only exists for 64-bit, and there will never be a 32-bit AIX port, so there is no reason for handling 32-bit xcoff headers.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16920#discussion_r1427803763