hg: jdk9/hs-rt/hotspot: 8141356: Explicitly stop CMS threads during VM termination.

[jon.masamitsu at oracle.com]

Changeset: 9089740e9f30
Author:    jwha
Date:      2015-11-03 13:03 -0800
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/9089740e9f30

8141356: Explicitly stop CMS threads during VM termination.
Summary: GenCollectedHeap::stop() is not implemented which is supposed to stop CMS threads during VM termination.
Reviewed-by: jmasa, kbarrett
Contributed-by: jwha at google.com

! src/share/vm/gc/shared/genCollectedHeap.cpp
! src/share/vm/gc/shared/genCollectedHeap.hpp