RFR: JDK-8313796: AsyncGetCallTrace crash on unreadable interpreter method pointer [v3]

[Coleen Phillimore]

On Tue, 8 Aug 2023 18:49:35 GMT, Richard Startin <duke at openjdk.org> wrote:

>> Makes AsyncGetCallTrace more resilient to method unloading.
>
> Richard Startin has updated the pull request incrementally with three additional commits since the last revision:
> 
>  - revert unnecessary whitespace changes
>  - revert yet another unnecessary change
>  - revert unnecessary change

This looks good. Thank you for taking my suggestion.

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Marked as reviewed by coleenp (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15193#pullrequestreview-1568014138