RFR: 8269685: Optimize HeapHprofBinWriter implementation [v9]

[Serguei Spitsyn]

On Fri, 17 Sep 2021 01:51:26 GMT, Lin Zang <lzang at openjdk.org> wrote:

>> This PR rewrite the implementation of the HeapHprofBinWriter, which could simplify the logic of current implementation.
>> please see detail description at https://bugs.openjdk.java.net/browse/JDK-8269685.
>
> Lin Zang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   code refine

Hi Lin,
Thank you for the update!
It looks good to me.
Thanks,
Serguei

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Marked as reviewed by sspitsyn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/4666