--- old/src/share/vm/gc_implementation/shenandoah/shenandoahUtils.cpp	2019-11-11 16:10:04.820342453 +0100
+++ new/src/share/vm/gc_implementation/shenandoah/shenandoahUtils.cpp	2019-11-11 16:10:04.738342457 +0100
@@ -125,6 +125,9 @@
     case ShenandoahPhaseTimings::init_evac:
     case ShenandoahPhaseTimings::final_update_refs_roots:
     case ShenandoahPhaseTimings::degen_gc_update_roots:
+    case ShenandoahPhaseTimings::init_traversal_gc_work:
+    case ShenandoahPhaseTimings::final_traversal_gc_work:
+    case ShenandoahPhaseTimings::final_traversal_update_roots:
     case ShenandoahPhaseTimings::full_gc_roots:
       return true;
     default: