On Tue, 29 Oct 2024 23:16:29 GMT, Dean Long <dl...@openjdk.org> wrote:

>> Patricio Chilano Mateo has updated the pull request incrementally with one 
>> additional commit since the last revision:
>> 
>>   Fix comment in VThreadWaitReenter
>
> src/hotspot/share/runtime/continuationFreezeThaw.cpp line 1411:
> 
>> 1409:     // zero out fields (but not the stack)
>> 1410:     const size_t hs = oopDesc::header_size();
>> 1411:     oopDesc::set_klass_gap(mem, 0);
> 
> Why, bug fix or cleanup?

This might confuse the change for JEP 450 since with CompactObjectHeaders 
there's no klass_gap, so depending on which change goes first, there will be 
conditional code here. Good question though, it looks like we only ever want to 
copy the payload of the object.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21565#discussion_r1823227312

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