1  /* { dg-do compile } */
       2  /* { dg-options "-Wc++-compat" } */
       3  enum E1 { A, B, C };
       4  enum E2 { D, E, F };
       5  
       6  enum E1 g1;
       7  enum E2 g2;
       8  
       9  void
      10  f1 ()
      11  {
      12    int a;
      13    int d;
      14    enum E1 e1;
      15    enum E2 e2;
      16    a = A;
      17    a = !B;
      18    d = E;
      19    e1 = A;
      20    e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      21    e1 = 0;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      22    e1 = (enum E1) 0;
      23    e1 = (enum E2) 0;	/* { dg-warning "invalid in C\[+\]\[+\]" } */
      24    e1 = e2;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      25    e1 = g1;
      26    e1 = g2;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      27    e2 = A;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      28    e2 = D;
      29  }
      30  
      31  struct s { enum E1 e1 : 3; };
      32  
      33  void
      34  f2 (struct s sv)
      35  {
      36    sv.e1 = A;
      37    sv.e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      38    g1 = sv.e1;
      39    g2 = sv.e1;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      40  }
      41  
      42  void
      43  f3 (struct s *pv)
      44  {
      45    pv->e1 = A;
      46    pv->e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      47    g1 = pv->e1;
      48    g2 = pv->e1;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
      49  }