RFR: 8364372: [Leyden] Set UseAOTCodeLoadThread ergonomically [v2]

[Vladimir Kozlov]

On Thu, 31 Jul 2025 14:01:53 GMT, Ashutosh Mehra <asmehra at openjdk.org> wrote:

> I also wonder why we set `AOTReplayTraining` to true in assembly phase in `cdsConfig.cpp`?
> 
> https://github.com/openjdk/leyden/blob/392fbbb1859cd71521cb915b601a65cf59ba495b/src/hotspot/share/cds/cdsConfig.cpp#L790
> 
> Isn't replay training only required in a production run?

We need to "replay" training to compile AOT code which will use its data during assembly phase.

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PR Comment: https://git.openjdk.org/leyden/pull/89#issuecomment-3141686340