hg: shenandoah/jdk8u/hotspot: 4 new changesets

[shade at redhat.com]

Changeset: 35e3f4c29bdd
Author:    zgu
Date:      2018-11-13 17:13 -0500
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/35e3f4c29bdd

[backport] ShenandoahMemoryPool should support usage threshold

! src/share/vm/services/shenandoahMemoryPool.cpp

Changeset: c900ad005664
Author:    shade
Date:      2018-11-15 16:44 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/c900ad005664

[backport] Compact heuristics adjustments

! src/share/vm/gc_implementation/shenandoah/heuristics/shenandoahCompactHeuristics.cpp

Changeset: 85aa52765a57
Author:    shade
Date:      2018-11-15 17:03 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/85aa52765a57

[backport] Cherry-pick bulk MarkBitMap clearing methods

! src/share/vm/gc_implementation/shared/markBitMap.cpp
! src/share/vm/gc_implementation/shared/markBitMap.hpp

Changeset: 70ef3638af70
Author:    rkennke
Date:      2018-11-19 10:47 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/70ef3638af70

[backport] Remove ShenandoahWriteBarrierCsetTestInIR flag

! src/cpu/aarch64/vm/stubGenerator_aarch64.cpp
! src/cpu/x86/vm/stubGenerator_x86_64.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoah_globals.hpp
! src/share/vm/opto/shenandoahSupport.cpp