hg: jdk9/hs/hotspot: 8160897: Concurrent mark mark stack memory allocation leaks memory

[thomas.schatzl at oracle.com]

Changeset: e412eaf10e27
Author:    tschatzl
Date:      2016-07-15 13:33 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/e412eaf10e27

8160897: Concurrent mark mark stack memory allocation leaks memory
Summary: Fix and clean up concurrent mark mark stack memory allocation.
Reviewed-by: jmasa, sangheki

! src/share/vm/gc/g1/g1ConcurrentMark.cpp
! src/share/vm/gc/g1/g1ConcurrentMark.hpp
! src/share/vm/gc/g1/g1ConcurrentMark.inline.hpp
! src/share/vm/memory/virtualspace.cpp