[lworld] RFR: 8377451: [lworld] Add ValuePayload abstraction [v8]

[Stefan Karlsson]

On Thu, 12 Feb 2026 21:01:46 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> src/hotspot/share/interpreter/zero/bytecodeInterpreter.cpp line 522:
>> 
>>> 520: #ifdef USELABELS
>>> 521:   const static void* const opclabels_data[256] = {
>>> 522: /* 0x00 */
>> 
>> Was this change necessary?
>
> That's what Axel refers to here:
> https://github.com/openjdk/valhalla/pull/2068#issuecomment-3883935914

Debug builds uses a normal C++ switch construct but release builds use an ad-hoc dispatch table instead. That dispatch table doesn't work without this fix, and this caused release versions of zero to not even build.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/2068#discussion_r2801055827