--- a/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp	Wed Dec 19 11:45:54 2018 +0000
+++ b/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp	Wed Jan 09 13:31:34 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -189,6 +189,15 @@
   bs->register_potential_barrier_node(this);
 }
 
+uint LoadBarrierNode::size_of() const {
+  return sizeof(*this);
+}
+
+uint LoadBarrierNode::cmp(const Node& n) const {
+  ShouldNotReachHere();
+  return 0;
+}
+
 const Type *LoadBarrierNode::bottom_type() const {
   const Type** floadbarrier = (const Type **)(Compile::current()->type_arena()->Amalloc_4((Number_of_Outputs)*sizeof(Type*)));
   Node* in_oop = in(Oop);
@@ -198,6 +207,11 @@
   return TypeTuple::make(Number_of_Outputs, floadbarrier);
 }
 
+const TypePtr* LoadBarrierNode::adr_type() const {
+  ShouldNotReachHere();
+  return NULL;
+}
+
 const Type *LoadBarrierNode::Value(PhaseGVN *phase) const {
   const Type** floadbarrier = (const Type **)(phase->C->type_arena()->Amalloc_4((Number_of_Outputs)*sizeof(Type*)));
   const Type* val_t = phase->type(in(Oop));
@@ -441,6 +455,11 @@
   return NULL;
 }
 
+uint LoadBarrierNode::match_edge(uint idx) const {
+  ShouldNotReachHere();
+  return 0;
+}
+
 void LoadBarrierNode::fix_similar_in_uses(PhaseIterGVN* igvn) {
   Node* out_res = proj_out_or_null(Oop);
   if (out_res == NULL) {

--- a/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	Wed Dec 19 11:45:54 2018 +0000
+++ b/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	Wed Jan 09 13:31:34 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -62,10 +62,14 @@
                   bool oop_reload_allowed);
 
   virtual int Opcode() const;
+  virtual uint size_of() const;
+  virtual uint cmp(const Node& n) const;
   virtual const Type *bottom_type() const;
+  virtual const TypePtr* adr_type() const;
   virtual const Type *Value(PhaseGVN *phase) const;
   virtual Node *Identity(PhaseGVN *phase);
   virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual uint match_edge(uint idx) const;
 
   LoadBarrierNode* has_dominating_barrier(PhaseIdealLoop* phase,
                                           bool linear_only,