RFR: JDK-8318175 : AIX PPC64: Handle alignment of double in structs

[Amit Kumar]

On Thu, 9 Nov 2023 09:22:45 GMT, suchismith1993 <duke at openjdk.org> wrote:

> 1. use pragma directive to handle alignment.
> 
> JBS Issue: [JDK-8318175](https://bugs.openjdk.org/browse/JDK-8318175)

LGTM

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Marked as reviewed by amitkumar (Committer).

PR Review: https://git.openjdk.org/jdk/pull/16579#pullrequestreview-1744157050