[jdk21u] RFR: 8316880: AArch64: "stop: Header is not fast-locked" with -XX:-UseLSE since JDK-8315880

Aleksey Shipilev shade at openjdk.org
Mon Oct 16 19:40:22 UTC 2023


Clean backport to fix a JVM bug, easily reproducible with `-UseLSE` with `LockingMode=2`.

Additional testing:
 - [x] macos-aarch64-server-fastdebug build without the fix fails with `-UseLSE LockingMode=2`, passes with it
 - [ ] linux-aarch64-server-fastdebug, `tier1 tier2 tier3`

-------------

Depends on: https://git.openjdk.org/jdk21u/pull/254

Commit messages:
 - Backport b6a97c078043862b20bd8e1d1b8ccb8699995515

Changes: https://git.openjdk.org/jdk21u/pull/258/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=258&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316880
  Stats: 41 lines in 10 files changed: 15 ins; 0 del; 26 mod
  Patch: https://git.openjdk.org/jdk21u/pull/258.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/258/head:pull/258

PR: https://git.openjdk.org/jdk21u/pull/258


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