RFR: 8367541: Parallel: Make young and old generation fields nonstatic in ParallelScavengeHeap

[Albert Mingkun Yang]

On Sun, 7 Dec 2025 09:52:33 GMT, Francesco Andreuzzi <fandreuzzi at openjdk.org> wrote:

> Young and old generation are part of a heap, so they should be non-static.
> 
> Passes tier1 and tier2 (fastdebug).

Looks good. Collectively reviewed at UU.

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Marked as reviewed by ayang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/28689#pullrequestreview-3551442232