RFR: 8366875: CompileTaskTimeout should be reset for each iteration of RepeatCompilation [v3]

[Dean Long]

On Tue, 16 Sep 2025 15:38:12 GMT, Manuel Hässig <mhaessig at openjdk.org> wrote:

>> When running a debug JVM on Linux with a compile task timeout and repeated compilation, the execution will time out almost always because the timeout does not reset for repetitions of a compilation. The core of the compile task timeout is to limit the amount of time a single compilation can take. Thus, this PR resets the `CompileTaskTimeout` for every compilation when running with `-XX:RepeatCompilation=<n>` for n > 1.
>> 
>> This PR is stacked on top of #27094.
>> 
>> Testing:
>>  - [x] Github Actions (failures are unrelated)
>>  - [x] tier1, tier2, tier3 plus some additional internal testing
>
> Manuel Hässig 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 four additional commits since the last revision:
> 
>  - Merge branch 'master' into JDK-8366875-repeat-comp-to
>  - Reset timeout on repeated compilations
>  - Add regression test
>  - Use timeuot factor

Still good.

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Marked as reviewed by dlong (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27120#pullrequestreview-3242316009