[lworld] RFR: 8378273: [lworld] Use acmp map to detect oops for VarHandle [v2]

[Paul Hübner]

On Fri, 20 Feb 2026 13:31:38 GMT, Chen Liang <liach at openjdk.org> wrote:

>> I disagree. The JavaDoc specifies `{@return whether a flat layout of this class contains references}` . So if we replace "class", with "int[]", we read: "whether a flat layout of int[] contains references". The method returns true, but in the context of the documentation it shouldn't (an int[] is always flat and certainly does not contain oops). 
>> 
>> This is not my area and if you insist/others are fine with it, I'm happy to agree to disagree.
>
> Sure, do you think "a flat field layout" would work better?

Yes, that'd make it a lot better. Thanks!

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PR Review Comment: https://git.openjdk.org/valhalla/pull/2143#discussion_r2833229716