RFR: 8368465: [leyden] Improve precompiler method selection code [v4]

[Aleksey Shipilev]

On Sat, 18 Oct 2025 00:16:00 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Drop the mention of MDO
>
> An other suggestion for this concurrent preloading would be to split A4 preload code. One set is the current which needs to wait `compute_java_loaders()`. And new one (much smaller) is for simple methods for classes which are loaded first (String, for example) which we can preload much sooner.

Any news on testing, @vnkozlov?

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PR Comment: https://git.openjdk.org/leyden/pull/99#issuecomment-3615382305