RFR: 8374622: StressIncrementalInlining should also randomize the processing order

[Marc Chevalier]

On Thu, 8 Jan 2026 09:25:35 GMT, Marc Chevalier <mchevalier at openjdk.org> wrote:

> As it says: randomize the order the late inlines are processed, and slightly factor it with macro nodes.
> 
> I didn't add shuffle to the `GrowableArray` class since it seems a bit method specialized method (and it seems it'd be a controversial change to a widely use class), it would make `GrowableArray` depends on `Compile` for random number generation (or require a callback, for instance, giving a non-trivial signature and usage), I couldn't find other shuffling of such an object.
> There is also shuffling of `UniqueNodeList` (for `StressIGVN`), but it seems hard to unify: access and length are not written quite the same, it would probably be not simpler than duplicating the implem (which is simple, so it's fine in my opinion).
> 
> Thanks,
> Marc

Right, I didn't write there, but I've tested with tier 1-3 and internal tests. All good. I'll test with more flags, tho.

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PR Comment: https://git.openjdk.org/jdk/pull/29110#issuecomment-3723681897