hg: shenandoah/jdk9/hotspot: [Backport] Shenandoah string deduplication support

[zgu at redhat.com]

Changeset: 917523f492d2
Author:    zgu
Date:      2018-01-11 16:10 -0500
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/917523f492d2

[Backport] Shenandoah string deduplication support

! src/cpu/aarch64/vm/stubGenerator_aarch64.cpp
! src/cpu/x86/vm/stubGenerator_x86_64.cpp
! src/share/vm/classfile/stringTable.cpp
! src/share/vm/gc/g1/g1StringDedup.hpp
! src/share/vm/gc/g1/g1StringDedupQueue.cpp
! src/share/vm/gc/g1/g1StringDedupQueue.hpp
! src/share/vm/gc/g1/g1StringDedupTable.cpp
! src/share/vm/gc/g1/g1StringDedupThread.cpp
! src/share/vm/gc/g1/g1StringDedupThread.hpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.hpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahMarkCompact.cpp
! src/share/vm/gc/shenandoah/shenandoahOopClosures.hpp
! src/share/vm/gc/shenandoah/shenandoahOopClosures.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahPhaseTimings.cpp
! src/share/vm/gc/shenandoah/shenandoahPhaseTimings.hpp
! src/share/vm/gc/shenandoah/shenandoahRootProcessor.cpp
+ src/share/vm/gc/shenandoah/shenandoahStrDedupQueue.cpp
+ src/share/vm/gc/shenandoah/shenandoahStrDedupQueue.hpp
+ src/share/vm/gc/shenandoah/shenandoahStrDedupQueue.inline.hpp
+ src/share/vm/gc/shenandoah/shenandoahStrDedupTable.cpp
+ src/share/vm/gc/shenandoah/shenandoahStrDedupTable.hpp
+ src/share/vm/gc/shenandoah/shenandoahStrDedupThread.cpp
+ src/share/vm/gc/shenandoah/shenandoahStrDedupThread.hpp
! src/share/vm/gc/shenandoah/shenandoahStringDedup.cpp
! src/share/vm/gc/shenandoah/shenandoahStringDedup.hpp
! src/share/vm/runtime/arguments.cpp
! src/share/vm/runtime/mutexLocker.cpp
! test/gc/shenandoah/ShenandoahStrDedupStress.java
! test/gc/shenandoah/TestShenandoahStrDedup.java