--- a/stage3/forced_narrow_candidate_datatypes.hh	Mon Jul 03 20:28:26 2017 +0100
+++ b/stage3/forced_narrow_candidate_datatypes.hh	Mon Jul 03 20:31:47 2017 +0100
@@ -48,10 +48,13 @@
   private:
     void forced_narrow_il_instruction(symbol_c *symbol, std::vector <symbol_c *> &next_il_instruction);
     
+  protected:   
+    virtual void set_datatype_in_prev_il_instructions(symbol_c *datatype, il_instruction_c *symbol);
+
   public:
     forced_narrow_candidate_datatypes_c(symbol_c *ignore);
     virtual ~forced_narrow_candidate_datatypes_c(void);
-   
+
     /****************************************/
     /* B.2 - Language IL (Instruction List) */
     /****************************************/