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Diffstat (limited to 'lib/BlocksRuntime/tests/nullblockisa.c')
-rw-r--r-- | lib/BlocksRuntime/tests/nullblockisa.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/BlocksRuntime/tests/nullblockisa.c b/lib/BlocksRuntime/tests/nullblockisa.c new file mode 100644 index 000000000..ba0282e82 --- /dev/null +++ b/lib/BlocksRuntime/tests/nullblockisa.c @@ -0,0 +1,43 @@ +// +// 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; +} + |