hg: shenandoah/jdk9/hotspot: Add asserts to SHConnMatrix::clear_* methods

[ashipile at redhat.com]

Changeset: 3b72ef7ad344
Author:    shade
Date:      2017-05-16 23:07 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/3b72ef7ad344

Add asserts to SHConnMatrix::clear_* methods

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