1/*
2 * Copyright (c) 2010 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LLVM_LICENSE_HEADER@
5 */
6
7//
8//  nullblockisa.m
9//  testObjects
10//
11//  Created by Blaine Garst on 9/24/08.
12//  Copyright 2008 __MyCompanyName__. All rights reserved.
13//
14// TEST_CONFIG
15// rdar://6244520
16
17#include <stdio.h>
18#include <stdlib.h>
19#include <Block_private.h>
20#include "test.h"
21
22void check(void (^b)(void)) {
23    struct _custom {
24        struct Block_layout layout;
25        struct Block_byref *innerp;
26    } *custom  = (struct _custom *)(void *)(b);
27    //printf("block is at %p, size is %lx, inner is %p\n", (void *)b, Block_size(b), innerp);
28    if (custom->innerp->isa != (void *)NULL) {
29        fail("not a NULL __block isa");
30    }
31    return;
32}
33
34int main() {
35
36   __block int i;
37
38   check(^{ printf("%d\n", ++i); });
39
40   succeed(__FILE__);
41}
42
43