RFC: Pick up jdk-11.0.5+5 to sh/jdk11

[Zhengyu Gu]

Okay.

Thanks,

-Zhengyu

On 9/3/19 2:16 PM, Aleksey Shipilev wrote:
> Let's pick up jdk-11.0.5+5 to sh/jdk11.
> 
> The merge is not trivial in aarch64 parts, because this change landed:
>    8209420: Track membars for volatile accesses so they can be properly optimized
> 
> It conflicts with changes in aarch64.ad and compile.cpp. I merged them by ditching changes in
> "leading_to_normal" we have in aarch64.ad [1] and adding a few new cases in compile.cpp. We would
> need to see what testing says about the success of that merge.
> 
> Full change list:
>    https://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.5%2b5/changesets.txt
> 
> Testing: x86_64 hotspot_gc_shenandoah; aarch64 cross-build
>