RFR: 8261262: Kitchensink24HStress.java crashed with EXCEPTION_ACCESS_VIOLATION [v2]

[Serguei Spitsyn]

On Tue, 16 Mar 2021 08:07:39 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> When returning from the last Java frame back to vm and hitting a safepoint poll on that last return we sometimes have a last java frame but no vframe.
>> This seem to be a bug in itself, handled in: 8263576
>> 
>> Other places which uses vframe NULL checks it before, so let's do that in GetCurrentLocationClosure also.
>> 
>> Testing: nsk jdi/jvmti, jdk jdi, jck vm and t1-3.
>
> Robbin Ehn 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:
> 
>  - Typo
>  - Merge branch 'master' into 8261262
>  - Check vframe non-null

Marked as reviewed by sspitsyn (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/3010