diff -r e8563dcaefca -r 56ebe2a31b5b stage3/forced_narrow_candidate_datatypes.cc
--- a/stage3/forced_narrow_candidate_datatypes.cc	Mon Apr 03 22:06:40 2017 +0100
+++ b/stage3/forced_narrow_candidate_datatypes.cc	Mon Apr 03 22:18:22 2017 +0100
@@ -161,7 +161,7 @@
 void *forced_narrow_candidate_datatypes_c::visit(instruction_list_c *symbol) {
   for(int j = 0; j < 2; j++) {
     for(int i = symbol->n-1; i >= 0; i--) {
-      symbol->elements[i]->accept(*this);
+      symbol->get_element(i)->accept(*this);
     }
   }
 
@@ -171,7 +171,7 @@
    */
   /*
   for(int i = symbol->n-1; i >= 0; i--) {
-    if (NULL == symbol->elements[i]->datatype)
+    if (NULL == symbol->get_element(i)->datatype)
       ERROR;
   }
   */