621     struct Block_layout *closure = (struct Block_layout *)block;  in _Block_dump()  local
624     if (closure == NULL) {  in _Block_dump()
628     if (! (closure->flags & BLOCK_HAS_DESCRIPTOR)) {  in _Block_dump()
632     cp += sprintf(cp, "^%p (new layout) =\n", (void *)closure);  in _Block_dump()
633     if (closure->isa == NULL) {  in _Block_dump()
636     else if (closure->isa == _NSConcreteStackBlock) {  in _Block_dump()
639     else if (closure->isa == _NSConcreteMallocBlock) {  in _Block_dump()
642     else if (closure->isa == _NSConcreteAutoBlock) {  in _Block_dump()
645     else if (closure->isa == _NSConcreteGlobalBlock) {  in _Block_dump()
648     else if (closure->isa == _NSConcreteFinalizingBlock) {  in _Block_dump()
652         cp += sprintf(cp, "isa?: %p\n", (void *)closure->isa);  in _Block_dump()
655     if (closure->flags & BLOCK_HAS_DESCRIPTOR) {  in _Block_dump()
658     if (closure->flags & BLOCK_NEEDS_FREE) {  in _Block_dump()
661     if (closure->flags & BLOCK_IS_GC) {  in _Block_dump()
664     if (closure->flags & BLOCK_HAS_COPY_DISPOSE) {  in _Block_dump()
667     if (closure->flags & BLOCK_HAS_CTOR) {  in _Block_dump()
670     cp += sprintf(cp, "\nrefcount: %u\n", closure->flags & BLOCK_REFCOUNT_MASK);  in _Block_dump()
671     cp += sprintf(cp, "invoke: %p\n", (void *)(uintptr_t)closure->invoke);  in _Block_dump()
673         struct Block_descriptor *dp = closure->descriptor;  in _Block_dump()
678         if (closure->flags & BLOCK_HAS_COPY_DISPOSE) {  in _Block_dump()