[jdk26] RFR: 8375314: Parallel: Crash iterating over unloaded classes for ObjectCountAfterGC event

[Thomas Schatzl]

On Mon, 26 Jan 2026 08:34:13 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

>> Hi all,
>> 
>>   This pull request contains a backport of commit [f3381f0f](https://github.com/openjdk/jdk/commit/f3381f0ffe2207e1765558f6f49e5a0280a3f920) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
>> 
>>   The commit being backported was authored by Thomas Schatzl on 22 Jan 2026 and was reviewed by Roman Kennke, Stefan Johansson and Ivan Walulya.
>> 
>> There has been a merge error in `collectedHeap.inline.hpp` in the copyright line, the dates did not match up.
>> 
>>   Thanks!
>
> Marked as reviewed by iwalulya (Reviewer).

Thanks @walulyai for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/29381#issuecomment-3798589291