diff -r 45c35d829db9 -r 6156ee2b4e32 stage3/fill_candidate_datatypes.cc
--- a/stage3/fill_candidate_datatypes.cc	Thu Oct 25 18:12:51 2012 +0100
+++ b/stage3/fill_candidate_datatypes.cc	Thu Oct 25 18:20:28 2012 +0100
@@ -1020,12 +1020,22 @@
 void *fill_candidate_datatypes_c::visit(il_expression_c *symbol) {
   symbol_c *prev_il_instruction_backup = prev_il_instruction;
   
-  if (NULL != symbol->il_operand)
-    symbol->il_operand->accept(*this);
+  /* Stage2 will insert an artificial (and equivalent) LD <il_operand> to the simple_instr_list if necessary. We can therefore ignore the 'il_operand' entry! */
+  // if (NULL != symbol->il_operand)
+  //   symbol->il_operand->accept(*this);
 
   if(symbol->simple_instr_list != NULL)
     symbol->simple_instr_list->accept(*this);
 
+  /* Since stage2 will insert an artificial (and equivalent) LD <il_operand> to the simple_instr_list when an 'il_operand' exists, we know
+   * that if (symbol->il_operand != NULL), then the first IL instruction in the simple_instr_list will be the equivalent and artificial
+   * 'LD <il_operand>' IL instruction.
+   * Just to be cosistent, we will copy the datatype info back into the il_operand, even though this should not be necessary!
+   */
+  if ((NULL != symbol->il_operand) && ((NULL == symbol->simple_instr_list) || (0 == ((list_c *)symbol->simple_instr_list)->n))) ERROR; // stage2 is not behaving as we expect it to!
+  if  (NULL != symbol->il_operand)
+    symbol->il_operand->candidate_datatypes = ((list_c *)symbol->simple_instr_list)->elements[0]->candidate_datatypes;
+  
   /* Now check the if the data type semantics of operation are correct,  */
   il_operand = symbol->simple_instr_list;
   prev_il_instruction = prev_il_instruction_backup;