--- old/src/hotspot/share/opto/subnode.hpp	2019-07-03 10:04:43.687266321 +0200
+++ new/src/hotspot/share/opto/subnode.hpp	2019-07-03 10:04:43.399266325 +0200
@@ -177,7 +177,6 @@
   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--------------------------------------