RFR: 8341485: GenShen: Make evac tracker a non-product feature and confine it to generational mode

[William Kemper]

On Thu, 3 Oct 2024 23:00:21 GMT, Y. Srinivas Ramakrishna <ysr at openjdk.org> wrote:

>> src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp line 1258:
>> 
>>> 1256:       }
>>> 1257:     }
>>> 1258: 
>> 
>> This change in behavior is an intentional part of this change? It may be the right change to make, but seems unrelated to the bug summary and the main thrust of the changes. Should this be broken off into a separate ticket?
>
> Looking at upstream, I see that this was detritus from generational heap that may have been unintentionally been left behind.

Yeah, it's a little unrelated to the reset of the changes, but in the spirit of removing differences from `shenandoahHeap` with upstream.

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PR Review Comment: https://git.openjdk.org/shenandoah/pull/506#discussion_r1788067308