--- old/src/hotspot/share/gc/shenandoah/shenandoahAsserts.cpp	2019-08-09 00:53:18.752838265 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahAsserts.cpp	2019-08-09 00:53:18.127827443 +0200
@@ -61,7 +61,7 @@
   r->print_on(&ss);
 
   stringStream mw_ss;
-  obj->mark()->print_on(&mw_ss);
+  MarkWord::print_on(obj->mark(), &mw_ss);
 
   ShenandoahMarkingContext* const ctx = heap->marking_context();