RFC: jdk10/hs (jdk10+22) merge

[Roman Kennke]

Am 07.09.2017 um 11:57 schrieb Aleksey Shipilev:
> jdk10/hs is now closed for consolidation. According to our plan, we need to pick up the outstanding
> changes from there for our own stabilization, before we could do the monorepo move.
> 
> Merge stats:
>   538 files changed, 9972 insertions(+), 8947 deletions(-)
> 
> Most of that is Graal update. Atomic refactoring to templates required some changes in Shenandoah
> code, adding type casts here and there. Removal of oop->is_oop in favor of oopDesc::is_oop required
> touchups. There is at least one place with a new SATB hook, rewritten to
> bs()->keep_alive_barrier(...) now.
> 
> Testing: hotspot_gc_shenandoah
> 
> Thanks,
> -Aleksey
> 

Yes, please go!