RFR(sh/jdk11): Shenandoah: Isolate shared-code changes

[Zhengyu Gu]

Looks ok to me.

Thanks,

-Zhengyu

On 7/7/20 9:06 AM, Roman Kennke wrote:
> Here comes a batch of isolating remaining simple Shenandoah-induced
> shared-code changes. The idea is that when building without Shenandoah
> GC should compile exactly as it would with current jdk11u.
> 
> Webrev:
> http://cr.openjdk.java.net/~rkennke/shjdk11-isolate-shared/webrev.00/
> 
> Testing: hotspot_gc_shenandoah, with/without Shenandoah, 32/64 bit.
> 
> Ok?
>