[jdk26] RFR: 8373714: Shenandoah: Register heuristic penalties following a degenerated GC

[William Kemper]

On Wed, 14 Jan 2026 00:14:46 GMT, Kelvin Nilsen <kdnilsen at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [385c4f81](https://github.com/openjdk/jdk/commit/385c4f8180d30c0e41b848eb4b2c1c8788211422) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Kelvin Nilsen on 8 Jan 2026 and was reviewed by William Kemper.
> 
> Thanks!

Marked as reviewed by wkemper (Reviewer).

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

PR Review: https://git.openjdk.org/jdk/pull/29213#pullrequestreview-3658400623