RFR: 8286446: PPC64: fix crashes after JDK-8284161 (virtual threads preview) [v3]

[Tyler Steele]

On Wed, 11 May 2022 13:20:31 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> FYI, I am waiting for this integration to proceed with other platforms. So if you wonder in what sequence we should do the merges, my x86_32 and ARM32 PRs yield in favor of this one :)
>
>> FYI, I am waiting for this integration to proceed with other platforms. So if you wonder in what sequence we should do the merges, my x86_32 and ARM32 PRs yield in favor of this one :)
> 
> I wanted to wait for the GHA. Ok, there you go :)

@reinrich This is very much appreciated ❤

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PR: https://git.openjdk.java.net/jdk/pull/8617