1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  void foo(void);
       5  
       6  static int b, c, d, e, f, ah;
       7  static short g, ai, am, aq, as;
       8  static char an, at, av, ax, ay;
       9  static char a(char h, char i) { return i == 0 || h && i == 1 ? 0 : h % i; }
      10  static void ae(int h) {
      11    if (a(b, h))
      12      foo();
      13  
      14  }
      15  int main() {
      16    ae(1);
      17    ay = a(0, ay);
      18    ax = a(g, aq);
      19    at = a(0, as);
      20    av = a(c, 1);
      21    an = a(am, f);
      22    int al = e || ((a(1, ah) && b) & d) == 2;
      23    ai = al;
      24  }
      25  
      26  /* We should eliminate the call to foo.  */
      27  /* { dg-final { scan-tree-dump-not "foo" "optimized" } } */