On Mon, 15 Mar 2021 11:48:38 GMT, Robbin Ehn <r...@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,
The fix looks good to me. Thank you for taking care about this issue!
Thanks,
Serguei

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Marked as reviewed by sspitsyn (Reviewer).

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

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