Merge pull request #736 from j-b-1-7/odin_leak_sub_not_node

Odin leak in subtractions.cpp not_node[i]

Author: jeanlego

ODIN_II/SRC/subtractions.cpp

@@ -140,9 +140,7 @@ void instantiate_hard_adder_subtraction(nnode_t *node, short mark, netlist_t * /
 
 	if (len <= sanity) /* buffer not large enough */
 		oassert(false);
-	
-	if(new_name)
-		vtr::free(new_name);
+
 	/* Give names to the output pins */
 	for (i = 0; i < node->num_output_pins;  i++)
 	{
@@ -398,10 +396,12 @@ void split_adder_for_sub(nnode_t *nodeo, int a, int b, int sizea, int sizeb, int
 	for(i = 0; i < b; i++)
 	{
 		not_node[i] = allocate_nnode();
+		nnode_t *temp = not_node[i];
 		if(nodeo->num_input_port_sizes == 2)
 			not_node[i] = make_not_gate_with_input(nodeo->input_pins[a + i], not_node[i], -1);
 		else
 			not_node[i] = make_not_gate_with_input(nodeo->input_pins[i], not_node[i], -1);
+		free_nnode(temp);
 	}
 
 	for(i = 0; i < count; i++)