RFR: 8355372: GenShen: Test gc/shenandoah/generational/TestOldGrowthTriggers.java fails with UseCompactObjectHeaders enabled [v2]

[Y. Srinivas Ramakrishna]

On Mon, 28 Apr 2025 22:26:00 GMT, William Kemper <wkemper at openjdk.org> wrote:

>> Add a test case for `-XX:+UseCompactObjectHeaders`, increase pressure on old generation. I ran the test (which includes a compact object headers case now) fifty times without failure.
>
> William Kemper has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Clarify cases with comment

ok

-------------

Marked as reviewed by ysr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24888#pullrequestreview-2804940817