[lworld] RFR: 8348606: [lworld] Substitutability test may perform heap allocations [v5]

[duke]

On Wed, 9 Apr 2025 12:52:14 GMT, Chen Liang <liach at openjdk.org> wrote:

>> Update substitutability test to use MethodHandles that access independent primitive/pointer instead heap reallocated copies of inlined values with an object header. Need long-term solution for user MethodHandle that accesses nested values in the future; hope the intrinsics can help in the future.
>> 
>> Testing: test/jdk/valhalla and test/hotspot/jtreg/*/valhalla, tier 1-3 tests running.
>
> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove obsolete annotation

@liach 
Your change (at version 921a8d59961f46b0e29f5bd08644556d0eff3360) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/valhalla/pull/1364#issuecomment-2790561774