hg: zgc/zgc: 3 new changesets

[per.liden at oracle.com]

Changeset: 29314cff0906
Author:    pliden
Date:      2018-01-19 14:45 +0100
URL:       http://hg.openjdk.java.net/zgc/zgc/rev/29314cff0906

ZGC: Make root iterator functions non-static

! src/hotspot/share/gc/z/zRootsIterator.cpp
! src/hotspot/share/gc/z/zRootsIterator.hpp

Changeset: 7972895fb97f
Author:    pliden
Date:      2018-01-19 15:06 +0100
URL:       http://hg.openjdk.java.net/zgc/zgc/rev/7972895fb97f

ZGC: Check claimed flags before CAS attempt

! src/hotspot/share/gc/z/zRootsIterator.cpp

Changeset: 1d47114d695c
Author:    pliden
Date:      2018-01-19 15:06 +0100
URL:       http://hg.openjdk.java.net/zgc/zgc/rev/1d47114d695c

ZGC: Remove alignment on root iterator helpers

! src/hotspot/share/gc/z/zRootsIterator.hpp