RFR(XS): 8149973: Optimize object alignment check in debug builds.

[Thomas Schatzl]

Hi,

On Wed, 2016-03-02 at 19:03 +0300, Dmitry Dmitriev wrote:
> Hello Coleen,
> 
> I implement refactoring which removes repeating of '&' expression.
> In g1OopClosures.inline.hpp and g1RemSet.inline.hpp I removed
> extracting 
> of oopDesc* from oop and added call to check_obj_alignment instead.
> Updated webrev.01: 
> http://cr.openjdk.java.net/~ddmitriev/8149973/webrev.01/ 
> <http://cr.openjdk.java.net/%7Eddmitriev/8149973/webrev.01/>
> Testing: jprt, hotspot_all & vm.quick(still in progress, no new
> failures).

  looks good.

Thomas