Integrated: 8342560: GenShen: Fix confusing method name

[William Kemper]

On Thu, 17 Oct 2024 20:56:59 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Rename `is_old` to make it more clear that this about pointers that are outside the scope of a young collection.

This pull request has now been integrated.

Changeset: 561c5e0c
Author:    William Kemper <wkemper at openjdk.org>
URL:       https://git.openjdk.org/shenandoah/commit/561c5e0c35728fd4411cc346b18a3ee76d33a505
Stats:     11 lines in 3 files changed: 4 ins; 0 del; 7 mod

8342560: GenShen: Fix confusing method name

Reviewed-by: ysr

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PR: https://git.openjdk.org/shenandoah/pull/517