#include <stdlib.h>
#include <string.h>

#if APR_HAS_SHARED_MEMORY
char *ap_scoreboard_shm = NULL;
#endif

int ap_reopen_scoreboard()
{
  char shm[50];

#if APR_HAS_SHARED_MEMORY
  if (rand() % 2) {
    return 1;
  }
#endif

  if (*shm) {
    *shm = ap_scoreboard_shm;
  }

  return 1;
}

int main(void)
{
  ap_reopen_scoreboard();
  return 0;
}

. // if APR_HAS_SHARED_MEMORY is disabled
. ERROR server/scoreboard.c:235:if (*shm)