hg: shenandoah/jdk9/hotspot: Add missing null check in assert.

[roman at kennke.org]

Changeset: 38944b2fb3c9
Author:    rkennke
Date:      2017-03-29 10:28 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/38944b2fb3c9

Add missing null check in assert.

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