git: openjdk/zgc: 2 new changesets

[Erik Österlund]

Changeset: cda7af81
Author:    Erik Österlund <eosterlund at openjdk.org>
Date:      2020-03-23 09:31:21 +0000
URL:       https://git.openjdk.java.net/zgc/commit/cda7af81

ZGC: Assume nmethod and stack barriers are always available

! src/hotspot/share/gc/z/zBarrierSet.cpp
! src/hotspot/share/gc/z/zMark.cpp
! src/hotspot/share/gc/z/zNMethod.cpp
! src/hotspot/share/gc/z/zNMethod.hpp
! src/hotspot/share/gc/z/zRelocate.cpp
! src/hotspot/share/gc/z/zRootsIterator.cpp
! src/hotspot/share/gc/z/zRootsIterator.hpp
! src/hotspot/share/gc/z/zVerify.cpp

Changeset: 4f00c861
Author:    Erik Österlund <eosterlund at openjdk.org>
Date:      2020-03-23 09:42:07 +0000
URL:       https://git.openjdk.java.net/zgc/commit/4f00c861

ZGC: Remove VMThread root processing

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