RFR: 8349915: CTW: Lots of level 3 compiles are done at level 2 after JDK-8348570 [v2]

[Aleksey Shipilev]

On Wed, 12 Feb 2025 16:23:14 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Actually, yes! We should probably just accept the first task with `compile_reason() == Whitebox`. Would probably make CTW marginally faster, like we have seen with SCC tasks in Leyden.

Done in new commit. Still fixes the issue, and the fix is arguably cleaner than overloading the already complicated predicate with another check.

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PR Comment: https://git.openjdk.org/jdk/pull/23589#issuecomment-2654710554