RFR: 8365823: Revert storing abstract and interface Klasses to non-class metaspace [v5]

[Coleen Phillimore]

On Thu, 18 Sep 2025 17:54:11 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/HotSpotMetaspaceConstantImpl.java line 102:
>> 
>>> 100:             // in compressible metaspace.
>>> 101:             return !t.isInterface() && !t.isAbstract();
>>> 102:         }
>> 
>> Can we remove this completely?
>
> I suppose but we don't really test this code well.

I removed this and cleaned up or fixed the callers.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27295#discussion_r2360553785