1  /* { dg-lto-do link } */
       2  /* { dg-lto-options {{-flto -fsigned-char} {-flto -funsigned-char}} } */
       3  
       4  char *a;
       5  int f;
       6  
       7  void
       8  foo (void)
       9  {
      10    f = (*a != '-');
      11  } 
      12  int main()
      13  {
      14    return 0;
      15  }