RFR: 8340119: Remove oopDesc::size_might_change()

[Thomas Schatzl]

On Mon, 16 Sep 2024 12:44:47 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this change that removes `oopDesc::size_might_change()` because since JDK-8337709 and JDK-8311163 no collector uses the objArray's length field during garbage collection any more.
>> 
>> Testing: tier1-3
>> 
>> Thanks,
>>   Thomas
>
> Marked as reviewed by stefank (Reviewer).

Thanks @stefank @walulyai for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/20999#issuecomment-2354838860