forked from OSchip/llvm-project
44 lines
910 B
C
44 lines
910 B
C
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
|
|
//
|
|
// nullblockisa.m
|
|
// testObjects
|
|
//
|
|
// Created by Blaine Garst on 9/24/08.
|
|
//
|
|
// CONFIG rdar://6244520
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <Block_private.h>
|
|
|
|
|
|
void check(void (^b)(void)) {
|
|
struct _custom {
|
|
struct Block_layout layout;
|
|
struct Block_byref *innerp;
|
|
} *custom = (struct _custom *)(void *)(b);
|
|
//printf("block is at %p, size is %lx, inner is %p\n", (void *)b, Block_size(b), innerp);
|
|
if (custom->innerp->isa != (void *)NULL) {
|
|
printf("not a NULL __block isa\n");
|
|
exit(1);
|
|
}
|
|
return;
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
|
|
__block int i;
|
|
|
|
check(^{ printf("%d\n", ++i); });
|
|
printf("%s: success\n", argv[0]);
|
|
return 0;
|
|
}
|
|
|