RFR: 8363998: Implement Compressed Class Pointers for 32-bit [v3]

[Thomas Stuefe]

On Mon, 28 Jul 2025 14:17:28 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove stray include
>
> src/hotspot/share/classfile/classLoaderDataShared.hpp line 46:
> 
>> 44:   static void serialize(SerializeClosure* f);
>> 45:   static void clear_archived_oops();
>> 46: #if INCLUDE_CDS_JAVA_HEAP
> 
> Why is this needed?

This is an unrelated build breakage in CDS on 32-bit (see https://bugs.openjdk.org/browse/JDK-8364202). I'll remove this and fix it with JDK-8364202.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26491#discussion_r2238598265