RFR: 8354767: Test crashed: assert(increase < max_live_nodes_increase_per_iteration) failed: excessive live node increase in single iteration of IGVN: 4470 (should be at most 4000)

[Daniel Lundén]

On Wed, 7 May 2025 12:23:46 GMT, Daniel Lundén <dlunden at openjdk.org> wrote:

>>> The issue with weakening the per-iteration assertion in special cases is that we _must_ ensure that we do not grow by more than `max_live_nodes_increase_per_iteration` in a single iteration. Below is my failure analysis for [JDK-8351833](https://bugs.openjdk.org/browse/JDK-8351833) which describes the issue.
>> 
>> Fair enough, thanks for the explanation.
>
> Thanks for the review @robcasloz!
> 
> @eme64 
>> @dlunde Ok, then let's declare this as a "quickfix", and file a follow-up RFE. Maybe it should also be declared a lower-priority bug?
> 
> Sounds good to me. Yes, definitely lower priority for now. We do not even know if the transformation is expected or not, although I agree it looks suspicious.

> @dlunde Approved, with the assumption that you will file that follow-up RFE and link it with this issue :)

@eme64 Thanks for the review! Of course, already made a note.

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PR Comment: https://git.openjdk.org/jdk/pull/24960#issuecomment-2863465426