RFR: 8345052: Harden StampedLock [v2]

[Doug Lea]

> This applies the same kinds of recovery on OOME (by spinning) and JVM Exceptions (by cancelling) seen in AQS.

Doug Lea has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'openjdk:master' into JDK-8345052
 - Add fall-back on OOME, cancel on JVM exceptions

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22396/files
  - new: https://git.openjdk.org/jdk/pull/22396/files/1d3f703d..1529244f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22396&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22396&range=00-01

  Stats: 10463 lines in 324 files changed: 2969 ins; 5929 del; 1565 mod
  Patch: https://git.openjdk.org/jdk/pull/22396.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22396/head:pull/22396

PR: https://git.openjdk.org/jdk/pull/22396