[lworld] RFR: 8377451: [lworld] Add ValuePayload abstraction [v17]

[Axel Boldt-Christmas]

On Mon, 9 Feb 2026 10:57:36 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> Axel Boldt-Christmas has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   ZGC Barrier assert to strict
>
> src/hotspot/share/gc/shared/cardTableBarrierSet.inline.hpp line 223:
> 
>> 221:     OopMapBlock* map = md->start_of_nonstatic_oop_maps();
>> 222:     OopMapBlock* const end = map + md->nonstatic_oop_map_count();
>> 223:     bool is_uninitialized = HasDecorator<decorators, IS_DEST_UNINITIALIZED>::value;
> 
> Follow-up: If destination is uninitialized we don't need to execute the pre-barrier.

Created [JDK-8378521](https://bugs.openjdk.org/browse/JDK-8378521)

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PR Review Comment: https://git.openjdk.org/valhalla/pull/2068#discussion_r2844882425