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/* Verify that the CALL sideeffect isn't optimized away.  */

/* Contributed by Greg Parker  25 Jan 2005  <gparker@apple.com> */

#include <stdlib.h>

#include <stdio.h>

struct parse {

  char *next;

  char *end;

  int error;

};

int seterr(struct parse *p, int err)

{

  p->error = err;

  return 0;

}

void bracket_empty(struct parse *p)

{

  if (((p->next < p->end) && (*p->next++) == ']')  ||  seterr(p, 7)) { }

}

int main(int argc __attribute__((unused)), char **argv __attribute__((unused)))

{

  struct parse p;

  p.next = p.end = (char *)0x12345;

  p.error = 0;

  bracket_empty(&p);

  if (p.error != 7)

    abort ();

  return 0;

}