RFR: Integration from jdk/jdk

[Aleksey Shipilev]

On 04/10/2018 05:37 PM, Roman Kennke wrote:
> Am 10.04.2018 um 17:29 schrieb Aleksey Shipilev:
>> On 04/10/2018 05:10 PM, Roman Kennke wrote:
>>> http://cr.openjdk.java.net/~rkennke/merge-2018-04-09/shenandoah-changes.patch
>>
>> The T* -> char* change in shenandoahBarrierSet.inline.hpp -- is it needed in sh/jdk10?
> 
> Should not be, but shouldn't hurt either. I changed this to deal with a
> compiler failure when T=void. It would not compile sizeof(void).
> 
> I believe the change makes the code more robust too: the computed offset
> will always be in bytes (and not in the T type) and makes this fact
> explicit. It's a small thing.

Right. Let me backport that little thing: I want as little difference between repositories as we can.

-Aleksey