hg: shenandoah/jdk9/hotspot: Optimize partial GC preparation.

[ashipile at redhat.com]

Changeset: 811de2a07304
Author:    shade
Date:      2017-05-04 12:00 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/811de2a07304

Optimize partial GC preparation.

! src/share/vm/gc/shenandoah/shenandoahConnectionMatrix.hpp
! src/share/vm/gc/shenandoah/shenandoahConnectionMatrix.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahPartialGC.cpp
! src/share/vm/gc/shenandoah/shenandoahPartialGC.hpp