[jdk22] RFR: 8322538: remove fatal from JVM_VirtualThread functions for !INCLUDE_JVMTI

[David Holmes]

On Fri, 12 Jan 2024 00:53:47 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a clean backport of commit [aff659aa](https://github.com/openjdk/jdk/commit/aff659aaf7c73ff8eb903fd3e426e1b42ea6d95a) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Serguei Spitsyn on 21 Dec 2023 and was reviewed by David Holmes and Alan Bateman.
> 
> Thanks!

Looks good. Thanks.

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk22/pull/65#pullrequestreview-1817439971