--- a/src/hotspot/share/opto/compile.cpp	Thu Apr 04 07:43:44 2019 -0700
+++ b/src/hotspot/share/opto/compile.cpp	Tue Apr 02 23:00:22 2019 +0200
@@ -3070,7 +3070,7 @@
         Node *m = wq.at(next);
         for (DUIterator_Fast imax, i = m->fast_outs(imax); i < imax; i++) {
           Node* use = m->fast_out(i);
-          if (use->is_Mem() || use->is_EncodeNarrowPtr() || use->is_ShenandoahBarrier()) {
+          if (use->is_Mem() || use->is_EncodeNarrowPtr()) {
             use->ensure_control_or_add_prec(n->in(0));
           } else {
             switch(use->Opcode()) {