hg: jdk9/hs/hotspot: 8153582: Logging of ConcGCThreads is done too early

[joseph.provino at oracle.com]

Changeset: 14c4374d3346
Author:    jprovino
Date:      2016-05-19 10:48 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/14c4374d3346

8153582: Logging of ConcGCThreads is done too early
Summary: ConcGCThreads is logged as 0 because it hasn't been initialized yet.
Reviewed-by: tschatzl, dfazunen

! src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp
! src/share/vm/gc/g1/g1ConcurrentMark.cpp
! src/share/vm/runtime/arguments.cpp