RFR 8228532: Shenandoah: Implement SBSA::try_resolve_jobject_in_native()

[Zhengyu Gu]

Further tests discovered some issues with this patch, I would like to 
withdraw this RFR for now.

Thanks,

-Zhengyu

On 7/23/19 3:42 PM, Zhengyu Gu wrote:
> Shenandoah needs to take slow path when resolving jobject during 
> evacuation phase, to ensure it resolves to-space oops.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8228532
> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8228532/webrev.00/index.html
> 
> Test:
>    hotspot_gc_shenandoah (fastdebug and release) on Linux x86_64 and 
> aarch64.
> 
> 
> Thanks,
> 
> -Zhengyu