1  /* PR c/64279 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wduplicated-branches -O2" } */
       4  
       5  void
       6  f (int *p)
       7  {
       8    if (*p > 0)
       9      {
      10        if (x == 0) /* { dg-error "undeclared|not declared" } */
      11  	*p = 5;
      12        else
      13  	*p = 6;
      14      }
      15  }
      16  
      17  void
      18  f2 (int *p)
      19  {
      20    if (*p > 0)
      21      {
      22        if (*p > 2)
      23  	*p = x; /* { dg-error "undeclared|not declared" } */
      24        else
      25  	*p = 6;
      26      }
      27  }
      28  
      29  void
      30  f3 (int *p)
      31  {
      32    if (*p > 0)
      33      {
      34        if (*p > 2)
      35  	*p = 8;
      36        else
      37  	*p = x; /* { dg-error "undeclared|not declared" } */
      38      }
      39  }
      40  
      41  void
      42  f4 (int *p)
      43  {
      44    if (*p > 0)
      45      {
      46        if (x == 0) /* { dg-error "undeclared|not declared" } */
      47  	*p = 5;
      48        else
      49  	*p = 6;
      50      }
      51    else
      52      {
      53        if (x == 0) /* { dg-error "not declared" "" { target c++ } } */
      54  	*p = 7;
      55        else
      56  	*p = 6;
      57      }
      58  }
      59  
      60  void
      61  f5 (int *p)
      62  {
      63    if (*p > 0)
      64      {
      65        if (*p > 2)
      66  	*p = x; /* { dg-error "undeclared|not declared" } */
      67        else
      68  	*p = 6;
      69      }
      70    else
      71      {
      72        if (x == 0) /* { dg-error "not declared" "" { target c++ } } */
      73  	*p = 5;
      74        else
      75  	*p = 6;
      76      }
      77  }
      78  
      79  void
      80  f6 (int *p)
      81  {
      82    if (*p > 0)
      83      {
      84        if (*p > 2)
      85  	*p = 8;
      86        else
      87  	*p = x; /* { dg-error "undeclared|not declared" } */
      88      }
      89    else
      90      {
      91        if (x == 0) /* { dg-error "not declared" "" { target c++ } } */
      92  	*p = 5;
      93        else
      94  	*p = 6;
      95      }
      96  }
      97  
      98  void
      99  f7 (int i)
     100  {
     101    if (i > 5)
     102      ({ x++; }); /* { dg-error "undeclared|not declared" } */
     103    else
     104      ({ i++; });
     105  }
     106  
     107  void
     108  f8 (int i)
     109  {
     110    if (i > 5)
     111      ({ i++; });
     112    else
     113      ({ x++; }); /* { dg-error "undeclared|not declared" } */
     114  }