RFR: 8271140: Fix native frame handling in vframeStream::asJavaVFrame() [v2]

[Andreas Woess]

On Fri, 23 Jul 2021 16:10:06 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Andreas Woess 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 one additional commit since the last revision:
>> 
>>   8271140: Fix native frame handling in vframeStream::asJavaVFrame()
>
> Testing show failures. Please, investigate.

@vnkozlov Tests are all green now.
I've only changed the test slightly to reliably trigger compilation (using `-Xcomp` rather than compilation threshold).

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PR: https://git.openjdk.java.net/jdk/pull/4872