hg: jdk/hs: 8191567: Refactor ciInstanceKlass G1 keep alive barrier to use Access API.

[erik.osterlund at oracle.com]

Changeset: c39ae979ca35
Author:    eosterlund
Date:      2018-01-08 13:22 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/c39ae979ca35

8191567: Refactor ciInstanceKlass G1 keep alive barrier to use Access API.
Reviewed-by: dholmes, rkennke, tschatzl

! src/hotspot/share/ci/ciInstanceKlass.cpp
! src/hotspot/share/classfile/classLoaderData.hpp
! src/hotspot/share/oops/instanceKlass.cpp
! src/hotspot/share/oops/instanceKlass.hpp