RFR: 8358693: [leyden] Bootstrapping circularity leads to never starting preload threads [v2]

[Vladimir Kozlov]

On Thu, 5 Jun 2025 16:50:59 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> This relates to [JDK-8358690](https://bugs.openjdk.org/browse/JDK-8358690), but we want to make sure Leyden preload runs until we have a fuller fix.
>> 
>> Additional testing:
>>  - [x] Ad-hoc perf tests
>>  - [x] Linux x86_64 server fastdebug, `runtime/cds`
>
> Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
> 
>  - Move
>  - Merge branch 'premain' into JDK-8358693-regression-no-preload
>  - Fix

Good.

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Marked as reviewed by kvn (Committer).

PR Review: https://git.openjdk.org/leyden/pull/75#pullrequestreview-2901240811