RFR: 8324173: GenShen: Fix error that could cause young gcs to fail when old marking is running

[Y. Srinivas Ramakrishna]

On Thu, 18 Jan 2024 21:16:56 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Accidentally deleted a line of code in recent PR#382.

Please list the failing test and stack retrace of the failure in the ticket.
Curious why it wasn't caught in normal pre-commit testing or in GHA. May be preemption of old gc isn 't that common in our test scenarios?

Change looks good. Reviewed!

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Marked as reviewed by ysr (Committer).

PR Review: https://git.openjdk.org/shenandoah/pull/385#pullrequestreview-1830698445