RFR: 8350118: Simplify the layout access VarHandle [v2]

[Jorn Vernee]

On Wed, 26 Feb 2025 17:22:13 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Review remarks, dates, some more simplifications
>
> src/java.base/share/classes/jdk/internal/foreign/LayoutPath.java line 216:
> 
>> 214:         } else {
>> 215:             // simpler adaptation
>> 216:             handle = MethodHandles.insertCoordinates(handle, 2, offset);            // (MS, long)
> 
> Okay, looking at this code I think I get it: when the offset into the enclosing layout is fixed, we don't have strides (from `sequenceElement()`), so we don't need the extra adaptation.

I suggest maybe renaming `noStride` to something like `fixedOffsetInEnclosing`

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PR Review Comment: https://git.openjdk.org/jdk/pull/23720#discussion_r1972026669