extern int printf(const char *, ...); 

int q=0;

int main ()
{
  int a[q+6];
  int b[q+6];
  printf("%i\n",(int)__builtin_return_address(0));
  b[2]=11111111;
  printf("%i\n",(int)__builtin_return_address(0));
  return 0;
}