#ifdef BT_DEV_MODE
# define bt_field_class_freeze _bt_field_class_freeze
#else
-# define bt_field_class_freeze(_fc)
+# define bt_field_class_freeze(_fc) ((void) _fc)
#endif
BT_HIDDEN
#ifdef BT_DEV_MODE
# define bt_named_field_class_freeze _bt_named_field_class_freeze
#else
-# define bt_named_field_class_freeze(_named_fc)
+# define bt_named_field_class_freeze(_named_fc) ((void) _named_fc)
#endif
/*