RFR: Include shenandoahSupport.hpp instead of shenandoahBarrierSetC2.hpp in C2's classes.cpp

[Roman Kennke]

Am 2. Dezember 2018 15:03:19 MEZ schrieb Aleksey Shipilev <shade at redhat.com>:
>On 12/2/18 1:34 PM, Roman Kennke wrote:
>> Following up Vladimir's review, we can reduce include in classes.cpp
>to
>> just shenandoahSupport.hpp to get the various ShenandoahXYZNode's
>> declarations.
>> 
>> Testing: hotspot_gc_shenandoah
>> 
>> OK?
>
>We actually deliberately include only barrierSetC2 headers, treating
>our shenandoahSupport,
>brooksPointer, etc. a mere implementation detail. I think this is the
>same reason why ZGC includes
>zBarrierSetC2, and we want to be symmetrical there?

Sounds reasonabke. Let me withdraw this for now. I will try to convince Vladimir.

Thanks, Roman
>
>-Aleksey