RFR: 8328592: hprof tests fail with -XX:-CompactStrings

[Leonid Mesnik]

On Wed, 20 Mar 2024 09:53:36 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> See the bug for symptoms. The tests are failing because hprof test library is confused about non-compact strings.
> 
> Additional testing:
>  - [x] `serviceability/HeapDump lib-test:all` with `-XX:-CompactStrings` now pass
>  - [x]  `serviceability/HeapDump lib-test:all` with `-XX:+CompactStrings` still pass

Marked as reviewed by lmesnik (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/18394#pullrequestreview-1949282694