[jdk21u-dev] RFR: 8323086: Shenandoah: Heap could be corrupted by oom during evacuation

[William Kemper]

8323086: Shenandoah: Heap could be corrupted by oom during evacuation

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Commit messages:
 - Backport c4a83bd6f6c45e72bd776e929005be0aa9408867

Changes: https://git.openjdk.org/jdk21u-dev/pull/145/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=145&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8323086
  Stats: 21 lines in 1 file changed: 21 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/145.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/145/head:pull/145

PR: https://git.openjdk.org/jdk21u-dev/pull/145