On Thu, 12 Mar 2026 15:39:37 GMT, Roman Kennke <[email protected]> wrote:

>> Thomas Stuefe has updated the pull request with a new target base due to a 
>> merge or a rebase. The pull request now contains 65 commits:
>> 
>>  - Merge branch 'master' into JDK-8363996-Obsolete-UseCompressedClassPointers
>>  - Replace Metaspace::using_class_space with define
>>  - Update src/hotspot/cpu/x86/macroAssembler_x86.hpp
>>    
>>    Co-authored-by: David Holmes 
>> <[email protected]>
>>  - Replace Klass::_metadata union with narrowKlass member
>>  - Ivan: fix various instances of ObjLayout::undefined should assert
>>  - Ivan: Update src/hotspot/share/oops/instanceKlass.cpp
>>    
>>    Co-authored-by: Ivan Walulya <[email protected]>
>>  - David: reduce diff in ObjectCountEventVerifier.java
>>  - David: minimize change in GetObjectSizeIntrinsicsTest.java
>>  - David: minimize diffs in TestZGCWithCDS.java
>>  - David: minimize diffs for 
>> runtime/ErrorHandling/TestVMConfigInHsErrFile.java
>>  - ... and 55 more: https://git.openjdk.org/jdk/compare/9a26b4af...be3a902b
>
> src/hotspot/share/code/aotCodeCache.hpp line 181:
> 
>> 179:       debugVM                  = 1,
>> 180:       compressedOops           = 2,
>> 181:       useTLAB                  = 4,
> 
> Is it ok to break the numbering? Or is there any expectation of compatibility 
> with older AOT caches?

I am pretty sure an AOT archive needs to be dumped and loaded from the same 
binary, right @iklam ?

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PR Review Comment: https://git.openjdk.org/jdk/pull/28366#discussion_r2953853143

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