803 // void *visit(instruction_list_c *symbol);

   803 void *fill_candidate_datatypes_c::visit(instruction_list_c *symbol) {

   804 	/* In order to execute the narrow algoritm ll the data type candidates correctly

   805 	 * ĩn IL instruction lists containing JMPs to labels that come before the JMP instruction

   806 	 * itself, we need to run the fill candidate datatypes algorithm twice on the Instruction List.

   807 	 * e.g.:  ...

   808 	 *          ld 23

   809 	 *   label1:st byte_var

   810 	 *          ld 34

   811 	 *          JMP label1     

   812 	 *

   813 	 * Note that the second time we run the algorithm, most of the candidate datatypes are already filled

   814 	 * in, so it will be able to produce tha correct candidate datatypes for the IL instruction referenced

   815 	 * by the label, as in the 2nd pass we already know the candidate datatypes of the JMP instruction!

   816 	 */

   817 	for(int j = 0; j < 2; j++) {

   818 		for(int i = 0; i < symbol->n; i++) {

   819 			symbol->elements[i]->accept(*this);

   820 		}

   821 	}

   822 	return NULL;

   823 }