RFR: 8337318: Deoptimization::relock_objects fails assert(monitor->owner() == Thread::current()) failed: must be

[Coleen Phillimore]

The assert is wrong.  During deoptimization, the locking_thread is not the current thread, and that's the thread we should assert is the owner.
Reproduced in tier8 with com/sun/jdi/EATests.java, with LockStack CAPACITY=1 and not reproduced with the fix.

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Commit messages:
 - 8337318: Deoptimization::relock_objects fails assert(monitor->owner() == Thread::current()) failed: must be

Changes: https://git.openjdk.org/jdk/pull/20553/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20553&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8337318
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/20553.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20553/head:pull/20553

PR: https://git.openjdk.org/jdk/pull/20553