diff -r e8563dcaefca -r 56ebe2a31b5b stage4/generate_c/generate_c_base.cc
--- a/stage4/generate_c/generate_c_base.cc	Mon Apr 03 22:06:40 2017 +0100
+++ b/stage4/generate_c/generate_c_base.cc	Mon Apr 03 22:18:22 2017 +0100
@@ -201,13 +201,13 @@
       if (list->n > 0) {
 //std::cout << "generate_c_base_c::print_list(n = " << list->n << ")   000\n";
         s4o.print(pre_elem_str);
-        list->elements[0]->accept(*visitor);
+        list->get_element(0)->accept(*visitor);
       }
 
       for(int i = 1; i < list->n; i++) {
 //std::cout << "generate_c_base_c::print_list   " << i << "\n";
         s4o.print(inter_elem_str);
-        list->elements[i]->accept(*visitor);
+        list->get_element(i)->accept(*visitor);
       }
 
       if (list->n > 0)