[jdk17u-dev] RFR: 8276696: ParallelObjectIterator freed at the wrong time in VM_HeapDumper

[Paul Hohensee]

On Thu, 15 Jun 2023 08:52:39 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Unclean backport to improve the heap dumping code for cleaner [JDK-8307348](https://bugs.openjdk.org/browse/JDK-8307348) backport. This backport is not clean, because it misses the parts of HeapDumper introduced by [JDK-8252842](https://bugs.openjdk.org/browse/JDK-8252842), which I don't want to backport at all in 17u, given the large bugtail for it.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug `jdk/jfr serviceability/sa`
>  - [x] Linux x86_64 fastdebug `tier1 tier2 tier3`
>  - [x] Linux AArch64 fastdebug `tier1 tier2 tier3`

Lgtm.

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Marked as reviewed by phh (Reviewer).

PR Review: https://git.openjdk.org/jdk17u-dev/pull/1440#pullrequestreview-1481966037