--- old/src/hotspot/share/opto/subnode.hpp	2018-11-16 05:31:17.424522250 -0600
+++ new/src/hotspot/share/opto/subnode.hpp	2018-11-16 05:31:16.834541838 -0600
@@ -502,4 +502,40 @@
   virtual uint ideal_reg() const { return Op_RegI; }
 };
 
+//-------------------------------DigiCNode----------------------------------------
+class DigitCNode : public Node {
+public:
+  DigitCNode(Node* control, Node *in1) : Node(control, in1) {}
+  virtual int Opcode() const;
+  const Type* bottom_type() const { return TypeInt::CHAR; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
+//------------------------------LowerCaseCNode------------------------------------
+class LowerCaseCNode : public Node {
+public:
+  LowerCaseCNode(Node* control, Node *in1) : Node(control, in1) {}
+  virtual int Opcode() const;
+  const Type* bottom_type() const { return TypeInt::CHAR; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
+//------------------------------UpperCaseCNode------------------------------------
+class UpperCaseCNode : public Node {
+public:
+  UpperCaseCNode(Node* control, Node *in1) : Node(control, in1) {}
+  virtual int Opcode() const;
+  const Type* bottom_type() const { return TypeInt::CHAR; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
+//------------------------------WhitespaceCNode-----------------------------------
+class WhitespaceCNode : public Node {
+public:
+  WhitespaceCNode(Node* control, Node *in1) : Node(control, in1) {}
+  virtual int Opcode() const;
+  const Type* bottom_type() const { return TypeInt::CHAR; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
 #endif // SHARE_VM_OPTO_SUBNODE_HPP