--- old/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp 2019-06-19 14:01:23.611786911 -0400 +++ new/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp 2019-06-19 14:01:23.159762687 -0400 @@ -347,7 +347,6 @@ // The call below uses stuff (the SATB* things) that are in G1, but probably // belong into a shared location. ShenandoahBarrierSet::satb_mark_queue_set().initialize(this, - SATB_Q_CBL_mon, 20 /* G1SATBProcessCompletedThreshold */, 60 /* G1SATBBufferEnqueueingThresholdPercent */);