--- old/src/hotspot/share/opto/subnode.hpp	2019-03-11 14:26:59.282354421 +0100
+++ new/src/hotspot/share/opto/subnode.hpp	2019-03-11 14:26:59.042354424 +0100
@@ -177,6 +177,7 @@
   virtual int Opcode() const;
   virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
   virtual const Type *sub( const Type *, const Type * ) const;
+  Node* has_perturbed_operand() const;
 };
 
 //------------------------------CmpNNode--------------------------------------
@@ -195,7 +196,10 @@
 public:
   CmpLNode( Node *in1, Node *in2 ) : CmpNode(in1,in2) {}
   virtual int    Opcode() const;
+  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+  virtual const Type* Value(PhaseGVN* phase) const;
   virtual const Type *sub( const Type *, const Type * ) const;
+  bool is_double_null_check(PhaseGVN* phase, Node*& a, Node*& b) const;
 };
 
 //------------------------------CmpULNode---------------------------------------