[jdk21u-dev] RFR: 8352765: G1CollectedHeap::expand_and_allocate() may fail to allocate even after heap expansion succeeds

[Thomas Stuefe]

8352765: G1CollectedHeap::expand_and_allocate() may fail to allocate even after heap expansion succeeds

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Commit messages:
 - Merge branch 'openjdk:master' into backport-tstuefe-804a8fa4-master
 - Merge branch 'openjdk:master' into backport-tstuefe-804a8fa4-master
 - Backport 804a8fa4e96a32be2b38c2d0906dc5861a292007

Changes: https://git.openjdk.org/jdk21u-dev/pull/2024/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2024&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352765
  Stats: 23 lines in 1 file changed: 7 ins; 1 del; 15 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2024.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2024/head:pull/2024

PR: https://git.openjdk.org/jdk21u-dev/pull/2024