RFR (T) 8233266: Remove unnecessary fence in restore_unshareable_info

[coleen.phillimore at oracle.com]

Thanks Jiangli and David.
Coleen

On 10/30/19 6:54 PM, David Holmes wrote:
> Looks good and trivial.
>
> Thanks,
> David
>
> On 31/10/2019 7:32 am, coleen.phillimore at oracle.com wrote:
>>
>> Tested with tier1 on all Oracle platforms.
>>
>> open webrev at 
>> http://cr.openjdk.java.net/~coleenp/2019/8233266.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8233266
>>
>> Thanks,
>> Coleen