> That's a regression in current gcc, surely? Oh and as a PS: Gcc is I believe right because if the loop is run zero times then pos = NULL (ie n == NULL so the first BUG_ON fires) Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html