RFR: 8305341: Alignment should be enforced by alignas instead of compiler specific attributes [v4]

[Julian Waters]

On Wed, 12 Apr 2023 07:12:10 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> C11 has been stable for a long time on all platforms, so native code can use the standard alignas operator for alignment requirements
>
> Julian Waters has updated the pull request incrementally with four additional commits since the last revision:
> 
>  - Restore visCPP
>  - Restore gcc attribute
>  - Revert gcc
>  - Revert

Bumping

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PR Comment: https://git.openjdk.org/jdk/pull/13258#issuecomment-1578994674