hg: jdk9/hs-rt/hotspot: 8145037: Clean up FreeIdSet usage

[jon.masamitsu at oracle.com]

Changeset: 2e374df2f961
Author:    aharlap
Date:      2016-01-08 15:41 -0500
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/2e374df2f961

8145037: Clean up FreeIdSet usage
Summary: Avoid wasting space for the unused sets
Reviewed-by: tschatzl

! src/share/vm/gc/g1/dirtyCardQueue.cpp
! src/share/vm/gc/g1/dirtyCardQueue.hpp
! src/share/vm/gc/g1/g1CollectedHeap.cpp
! src/share/vm/gc/shared/workgroup.cpp
! src/share/vm/gc/shared/workgroup.hpp