@@ -307,10 +307,11 @@
 extern void objc_dtable_free(struct objc_dtable *_Nonnull);
 extern void objc_dtable_cleanup(void);
 extern void objc_init_static_instances(struct objc_symtab *_Nonnull);
 extern void objc_forget_pending_static_instances(void);
 extern void objc_zero_weak_references(id _Nonnull);
+extern Class _Nullable object_getTaggedPointerClass(id _Nonnull);
 #ifdef OF_HAVE_THREADS
 extern void objc_global_mutex_lock(void);
 extern void objc_global_mutex_unlock(void);
 extern void objc_global_mutex_free(void);
 #else