diff -r 7b5d67d1aeef -r 6381589697ff stage4/generate_c/generate_c_st.cc
--- a/stage4/generate_c/generate_c_st.cc	Tue Feb 21 22:31:38 2012 +0100
+++ b/stage4/generate_c/generate_c_st.cc	Fri Feb 24 14:16:51 2012 +0100
@@ -782,7 +782,7 @@
     if (fdecl_mutiplicity == 2) {
       /* function being called is overloaded! */
       s4o.print("__");
-      print_function_parameter_data_types_c overloaded_func_suf(&s4o, symbol->overloaded_return_type);
+      print_function_parameter_data_types_c overloaded_func_suf(&s4o);
       f_decl->accept(overloaded_func_suf);
     }
     s4o.print_integer(fcall_number);
@@ -792,7 +792,7 @@
     if (fdecl_mutiplicity == 2) {
       /* function being called is overloaded! */
       s4o.print("__");
-      print_function_parameter_data_types_c overloaded_func_suf(&s4o, symbol->overloaded_return_type);
+      print_function_parameter_data_types_c overloaded_func_suf(&s4o);
       f_decl->accept(overloaded_func_suf);
     }
   }