RFR: 8310053: VarHandle and slice handle derived from layout are lacking alignment check [v5]

[Maurizio Cimadamore]

On Thu, 15 Jun 2023 13:08:45 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Add missing alignment checks for the alignment constraint of the root layout of a VarHandle created through `MemoryLayout::varHandle` and a MethodHandle `MemoryLayout::sliceHandle`.
>> 
>> Testing: `jdk_foreign` test suite
>
> Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:
> 
>   only check alignment of root for the first deref in a chain
>   minor javadoc fix
>   add test for misaligned deref

Marked as reviewed by mcimadamore (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/14475#pullrequestreview-1481537466