1//
2//                     The LLVM Compiler Infrastructure
3//
4// This file is distributed under the University of Illinois Open Source
5// License. See LICENSE.TXT for details.
6
7// CONFIG rdar://6405500
8
9#include <stdio.h>
10#include <stdlib.h>
11#import <dispatch/dispatch.h>
12#import <objc/objc-auto.h>
13
14int main (int argc, const char * argv[]) {
15    __block void (^blockFu)(size_t t);
16    blockFu = ^(size_t t){
17        if (t == 20) {
18            printf("%s: success\n", argv[0]);
19            exit(0);
20        } else
21            dispatch_async(dispatch_get_main_queue(), ^{ blockFu(20); });
22    };
23
24    dispatch_apply(10, dispatch_get_concurrent_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT), blockFu);
25
26    dispatch_main();
27    printf("shouldn't get here\n");
28    return 1;
29}
30