size_zero_object 213 gc/pthread_support.c static ptr_t size_zero_object = (ptr_t)(&size_zero_object); size_zero_object 239 gc/pthread_support.c p -> ptrfree_freelists[0] = (ptr_t)(&size_zero_object); size_zero_object 240 gc/pthread_support.c p -> normal_freelists[0] = (ptr_t)(&size_zero_object);