RFR: 8359870: JVM crashes in AccessInternal::PostRuntimeDispatch [v5]

[Serguei Spitsyn]

On Wed, 25 Jun 2025 13:02:03 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

>> ThreadDumper/ThreadSnapshot need to handle a failure to resolve the native VM JavaThread from a java.lang.Thread.  This is hard to reproduce but a thread that has since terminated can provoke a crash.  Recognise this and return a null ThreadSnapshot.
>
> Kevin Walls has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - comment update
>  - comment update

This looks mostly okay but I'm waiting for an update suggested by Dan.

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PR Review: https://git.openjdk.org/jdk/pull/25958#pullrequestreview-2964763745