RFR: 8342564: GenShen: Only reference young/old generation names in generational mode

[Xiaolong Peng]

On Thu, 17 Oct 2024 21:49:29 GMT, William Kemper <wkemper at openjdk.org> wrote:

> When printing the heap, only reference young/old marking when running in generational mode.

Looks good, thanks!

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Marked as reviewed by xpeng (no project role).

PR Review: https://git.openjdk.org/shenandoah/pull/518#pullrequestreview-2376426049