- Do not produce Loads WITHOUT memory

[r25662]

ir/lower/lower_copyb.c

@@ -108,7 +108,7 @@ static void lower_copyb_nodes(ir_node *irn, unsigned mode_bytes) {
 			addr_const = new_r_Const_long(irg, mode_Iu, offset);
 			add        = new_r_Add(irg, block, addr_dst, addr_const, addr_mode);
 
-			store     = new_r_Store(irg, block, mem, add, load_res, 0);
+			store     = new_r_Store(irg, block, load_mem, add, load_res, 0);
 			store_mem = new_r_Proj(irg, block, store, mode_M, pn_Store_M);
 
 			mem = store_mem;