shenandoah/8u: [backport] 8237007: Shenandoah: assert(_base == Tuple) failure during C2 compilation

[Aleksey Shipilev]

On 1/21/20 11:22 AM, Roland Westrelin wrote:
> That bug also affects 8u:
> 
> http://cr.openjdk.java.net/~roland/8237007-shenandoah-8u/webrev.00/

Looks good to me.

But we probably need to pull the recent 8u242 merge to sh/jdk8 first.

-- 
Thanks,
-Aleksey