Test

Author: danog

Zend/zend_gc.c

@@ -2049,6 +2049,7 @@ ZEND_API int zend_gc_collect_cycles(void)
 						GC_ADDREF(obj);
 						obj->handlers->free_obj(obj);
 						GC_DELREF(obj);
+						printf("Invoking free on %p inside GC\n", obj);
 					}
 
 					ZEND_OBJECTS_STORE_ADD_TO_FREE_LIST(obj->handle);

Zend/zend_objects_API.c

@@ -136,6 +136,7 @@ ZEND_API void ZEND_FASTCALL zend_objects_store_free_object_storage(zend_objects_
 					GC_ADD_FLAGS(obj, IS_OBJ_FREE_CALLED);
 					GC_ADDREF(obj);
 					obj->handlers->free_obj(obj);
+					printf("Invoking free on %p\n", obj);
 				}
 			}
 		} while (obj_ptr != end);