hg: shenandoah/jdk8u/hotspot: [backport] Concurrent code cache evacuation + bugfixes

[ashipile at redhat.com]

Changeset: e879f2f8214b
Author:    shade
Date:      2017-07-03 19:00 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/e879f2f8214b

[backport] Concurrent code cache evacuation + bugfixes

! src/share/vm/gc_implementation/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahRootProcessor.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoah_globals.hpp
! src/share/vm/runtime/arguments.cpp