test/BlocksRuntime/byrefcopyinner.c

   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 #include <Block.h>
   8 #include <stdio.h>
   9
  10 // CONFIG rdar://6225809
  11 // fixed in 5623
  12
  13 int main(int argc, char *argv[]) {
  14     __block int a = 42;
  15     int* ap = &a; // just to keep the address on the stack.
  16
  17     void (^b)(void) = ^{
  18         //a;              // workaround, a should be implicitly imported
  19         Block_copy(^{
  20             a = 2;
  21         });
  22     };
  23
  24     Block_copy(b);
  25
  26     if(&a == ap) {
  27         printf("**** __block heap storage should have been created at this point\n");
  28         return 1;
  29     }
  30     printf("%s: Success\n", argv[0]);
  31     return 0;
  32 }