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| //
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// 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;
}
|