RFR: 8305895: Implement JEP 450: Compact Object Headers (Experimental) [v57]

[Magnus Ihse Bursie]

On Fri, 15 Nov 2024 04:49:51 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Roman Kennke has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 107 commits:
>> 
>>  - Merge branch 'master' into JDK-8305895-v4
>>  - Merge tag 'jdk-25+23' into JDK-8305895-v4
>>    
>>    Added tag jdk-24+23 for changeset c0e6c3b9
>>  - Fix gen-ZGC removal
>>  - Merge tag 'jdk-24+22' into JDK-8305895-v4
>>    
>>    Added tag jdk-24+22 for changeset 388d44fb
>>  - Enable riscv in CompressedClassPointersEncodingScheme test
>>  - s390 port
>>  - Conditionalize platform specific parts of CompressedClassPointersEncodingScheme test
>>  - Update copyright
>>  - Avoid assert/endless-loop in JFR code
>>  - Update copyright headers
>>  - ... and 97 more: https://git.openjdk.org/jdk/compare/d3c042f9...c1a6323b
>
> test/hotspot/jtreg/gtest/MetaspaceUtilsGtests.java line 1:
> 
> 
> This file was reduced to empty but not actually deleted. Can you fix it please.

@rkennke Just making sure this is not being missed. Can you please open a JBS issue to correct this and the file below?

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PR Review Comment: https://git.openjdk.org/jdk/pull/20677#discussion_r1846790097