[jdk24u] RFR: 8352508: [Redo] G1: Pinned regions with pinned objects only reachable by native code crash VM

Mon Apr 28 09:45:10 UTC 2025

Hi all,

  This pull request contains a backport of commit [c50a0a1f](https://github.com/openjdk/jdk/commit/c50a0a1fc126a67528448b282bcfc375abfac142) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

Applies cleanly sans 1-2 lines of code movement. 

Thanks!
  Thomas

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Commit messages:
 - Backport c50a0a1fc126a67528448b282bcfc375abfac142

Changes: https://git.openjdk.org/jdk24u/pull/210/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk24u&pr=210&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352508
  Stats: 167 lines in 6 files changed: 152 ins; 11 del; 4 mod
  Patch: https://git.openjdk.org/jdk24u/pull/210.diff
  Fetch: git fetch https://git.openjdk.org/jdk24u.git pull/210/head:pull/210

PR: https://git.openjdk.org/jdk24u/pull/210