RFR: 8317262: LockStack::contains(oop) fails "assert(t->is_Java_thread()) failed: incorrect cast to JavaThread"

[Roman Kennke]

On Thu, 5 Oct 2023 01:47:03 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Please review this simple fix to `LockStack::is_owning_thread()` that allows it to be called by a non-JavaThread. Thanks to @pchilano  for the regression test.
> 
> Testing:
> - new regression test
> - runtime/handshake/MixedHandshakeWalkStackTest.java
> - tiers 1-3 sanity
> 
> Thanks

Looks good! Thanks!

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Marked as reviewed by rkennke (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16047#pullrequestreview-1661138707