--- a/src/hotspot/share/opto/convertnode.hpp	Wed Nov 22 01:12:23 2017 -0800
+++ b/src/hotspot/share/opto/convertnode.hpp	Wed Nov 22 14:43:37 2017 +0300
@@ -51,6 +51,7 @@
   virtual const Type *bottom_type() const { return Type::FLOAT; }
   virtual const Type* Value(PhaseGVN* phase) const;
   virtual Node* Identity(PhaseGVN* phase);
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
   virtual uint  ideal_reg() const { return Op_RegF; }
 };