RFR: 8339112: Move JVM Klass flags out of AccessFlags [v2]

[Coleen Phillimore]

On Thu, 29 Aug 2024 22:40:43 GMT, Dean Long <dlong at openjdk.org> wrote:

>> src/hotspot/share/oops/klass.hpp line 436:
>> 
>>> 434: #endif
>>> 435:   static ByteSize bitmap_offset()                { return byte_offset_of(Klass, _bitmap); }
>>> 436:   static ByteSize misc_flags_offset()            { return byte_offset_of(Klass, _misc_flags); }
>> 
>> Suggestion:
>> 
>>   static ByteSize misc_flags_offset()            { return byte_offset_of(Klass, _misc_flags._flags); }
>
> We probably shouldn't assume the _flags field starts at offset 0.

Yes, this was wrong.  Thanks for seeing this.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20719#discussion_r1738643187