diff -r 96a1199d0739 -r 9fbdf8a7430e stage3/constant_folding.hh
--- a/stage3/constant_folding.hh	Mon Dec 24 16:56:08 2012 +0100
+++ b/stage3/constant_folding.hh	Thu Dec 27 00:17:08 2012 +0100
@@ -222,5 +222,12 @@
     /* B 3.2.3 Selection Statements */
     /********************************/
     void *visit(if_statement_c *symbol);
+
+    /********************************/
+    /* B 3.2.4 Iteration Statements */
+    /********************************/
+    void *visit(for_statement_c *symbol);
+    void *visit(while_statement_c *symbol);
+    void *visit(repeat_statement_c *symbol);
 };