[16][RFR][s]:8252835:Revert fix for JDK-8246051

[David Holmes]

Hi Zhuoren,

This needs to be done as a Pull Request (PR) now that we have 
transitoned to git/gitbub.

Thanks,
David

On 7/09/2020 9:49 pm, Wang Zhuo(Zhuoren) wrote:
> As discussed before, this patch is to revert 
> JDK-8246051(SIGBUS by unaligned Unsafe compare_and_swap). Please review.
> JDK bug: https://bugs.openjdk.java.net/browse/JDK-8252835
> Patch: http://cr.openjdk.java.net/~wzhuo/8252835/webrev.00/
> 
> 
> Regards,
> Zhuoren
>