1//
2// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
3// See https://llvm.org/LICENSE.txt for license information.
4// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
5
6#include <Block.h>
7#include <stdio.h>
8
9// CONFIG rdar://6225809
10// fixed in 5623
11
12int main(int argc, char *argv[]) {
13 __block int a = 42;
14 int* ap = &a; // just to keep the address on the stack.
15
16 void (^b)(void) = ^{
17 //a; // workaround, a should be implicitly imported
18 Block_copy(^{
19 a = 2;
20 });
21 };
22
23 Block_copy(b);
24
25 if(&a == ap) {
26 printf(format: "**** __block heap storage should have been created at this point\n");
27 return 1;
28 }
29 printf(format: "%s: Success\n", argv[0]);
30 return 0;
31}
32

source code of compiler-rt/test/BlocksRuntime/byrefcopyinner.c