[jdk21u-dev] RFR: 8329088: Stack chunk thawing races with concurrent GC stack iteration [v3]

[Aleksey Shipilev]

> Clean backport to fix a race with concurrent GC and Virtual Threads.
> 
> Additional testing:
>  - [x] Linux AArch64 server fastdebug, `jdk_loom hotspot_loom` with {Serial, Parallel, G1, Shenandoah, Z}
>  - [ ] Linux AArch64 server fastdebug, `all` with {Serial, Parallel, G1, Shenandoah, Z}

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:

  Backport 8bcd2e61aec51f7c5b09ae162f8cca85a8bbf105

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Changes: https://git.openjdk.org/jdk21u-dev/pull/680/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=680&range=02
  Stats: 111 lines in 12 files changed: 34 ins; 26 del; 51 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/680.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/680/head:pull/680

PR: https://git.openjdk.org/jdk21u-dev/pull/680