RFR: JDK-8270308: Amalloc aligns size but not return value (take 2) [v3]

[Thomas Stuefe]

On Sat, 24 Jul 2021 13:48:25 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   kbarret feedback
>
> Sorry about the typo.  I meant to ask, how can `_max` not be 64bit aligned.  As that is what the comment is claiming can happen, and that is where things can go wrong.  If grow() were to align the allocation size then I don't think that can happen and all would be good.

Thanks, @kimbarrett !

@coleenp are you ok with the latest version too?

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PR: https://git.openjdk.java.net/jdk/pull/4835