Fix code that indexes datum-typed variables

code/_helpers/logging.dm

@@ -201,12 +201,13 @@ var/global/log_end= world.system_type == UNIX ? ascii2text(13) : ""
 	if(isnull(d))
 		return "*null*"
 	if(islist(d))
-		var/list/L = list()
-		for(var/e in d)
+		var/list/out = list()
+		var/list/dlist = d
+		for(var/entry in dlist)
 			// Indexing on numbers just gives us the same number again in the best case and causes an index out of bounds runtime in the worst
-			var/v = isnum(e) ? null : d[e]
-			L += "[log_info_line(e)][" - [log_info_line(v)]"]"
-		return "\[[jointext(L, ", ")]\]" // We format the string ourselves, rather than use json_encode(), because it becomes difficult to read recursively escaped "
+			var/value = isnum(entry) ? null : dlist[entry]
+			out += "[log_info_line(entry)][" - [log_info_line(value)]"]"
+		return "\[[jointext(out, ", ")]\]" // We format the string ourselves, rather than use json_encode(), because it becomes difficult to read recursively escaped "
 	if(!istype(d))
 		return json_encode(d)
 	return d.get_log_info_line()

code/modules/character_info/character_info_interface.dm

@@ -38,10 +38,11 @@
 		return
 
 	if(islist(comments))
-		if(length(comments) == 1)
-			comments = comments[1]
+		var/list/comment_list = comments
+		if(length(comment_list) == 1)
+			comments = comment_list[1]
 		else
-			comments = input(usr, "Multiple matches. Which character do you wish to show?", "View Character Comments") as null|anything in comments
+			comments = input(usr, "Multiple matches. Which character do you wish to show?", "View Character Comments") as null|anything in comment_list
 	if(istype(comments))
 		comments.display_to(usr)
 	else

code/modules/integrated_electronics/core/helpers.dm

@@ -25,7 +25,7 @@
 /obj/item/integrated_circuit/proc/set_pin_data(pin_type, pin_number, datum/new_data)
 	if(islist(new_data))
 		for(var/i in 1 to length(new_data))
-			if (istype(new_data) && !isweakref(new_data))
+			if (istype(new_data[i], /datum) && !isweakref(new_data[i]))
 				new_data[i] = weakref(new_data[i])
 	if (istype(new_data) && !isweakref(new_data))
 		new_data = weakref(new_data)