hg: shenandoah/jdk8u/hotspot: [backport] Cleanup class unloading and string intern code

[ashipile at redhat.com]

Changeset: bf8135bae459
Author:    shade
Date:      2017-05-09 16:12 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/bf8135bae459

[backport] Cleanup class unloading and string intern code

! src/share/vm/gc_implementation/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahHeap.hpp
+ test/gc/shenandoah/StringInternCleanup.java