[jdk25u] RFR: 8364503: gc/g1/TestCodeCacheUnloadDuringConcCycle.java fails because of race printing to stdout [v3]

[Aleksey Shipilev]

On Mon, 25 Aug 2025 15:47:58 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this backport of JDK-8364503, fixing the test introduced earlier in the backport for JDK-8350621.
>> 
>> It applied cleanly.
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl 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:
> 
>  - Merge branch 'master' into 8364503-testcodecache-fails-due-to-message-delay
>  - Hi all,
>    
>      please review this backport of JDK-8364503, fixing the test introduced earlier in the backport for JDK-8350621.
>    
>    It applied cleanly.
>    
>    Thanks,
>      Thomas
>  - Hi all,
>    
>      please review this change to avoid CodeCache triggered GCs temporarily being ignored.
>    
>    This is a backport of https://github.com/openjdk/jdk/pull/26189, which did not apply cleanly.
>    
>    The issue has been the hunk in `gcCause.hpp`, and in `G1Policy::record_concurrent_mark_remark_end()` where the context was wrong.
>    
>    Testing: tier1-5, with the follow-up patch to the test case
>    
>    Thanks,
>      Thomas

Marked as reviewed by shade (Reviewer).

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PR Review: https://git.openjdk.org/jdk25u/pull/83#pullrequestreview-3152051328