[lilliput-jdk17u:lilliput] RFR: 8310534: [Lilliput/JDK17] Shenandoah/JVMTI heap-walk crashes

[Aleksey Shipilev]

On Wed, 21 Jun 2023 12:24:20 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> I observe a crash in JVMTI heap-walk code when running Shenandoah even with -UCOH, see bug report for details.
> 
> The fix for now is to revert the relevant change back to clean upstream state. The JVMTI heap-dump would be disabled with +UCOH anyway in #35, and eventually fixed properly by #21.
> 
> Testing:
>  - [x] serviceability/jvmti/Heap/IterateHeapWithEscapeAnalysisEnabled.java TEST_VM_OPTS="-XX:+UseShenandoahGC"
>  - [x] tier1 with TEST_VM_OPTS="-XX:+UseShenandoahGC"

Looks fine!

Needs a bug ID for bots to be happy.

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/lilliput-jdk17u/pull/37#pullrequestreview-1490681753