1  /* { dg-do compile } */
       2  /* { dg-options "-Wunused" } */
       3  
       4  void
       5  f1 (void)
       6  {
       7    _Complex int a;	/* { dg-warning "set but not used" } */
       8    _Complex double b;	/* { dg-warning "set but not used" } */
       9    __real__ a = 1;
      10    __imag__ a = 2;
      11    __real__ b = 3.0;
      12    __imag__ b = 4.0;
      13  }
      14  
      15  int
      16  f2 (void)
      17  {
      18    _Complex int a;
      19    _Complex double b;
      20    __real__ a = 1;
      21    __imag__ a = 2;
      22    __real__ b = 3.0;
      23    __imag__ b = 4.0;
      24    return __real__ a + __imag__ b;
      25  }
      26  
      27  _Complex double
      28  f3 (void)
      29  {
      30    _Complex int a;
      31    _Complex double b;
      32    __real__ a = 1;
      33    __imag__ a = 2;
      34    __real__ b = 3.0;
      35    __imag__ b = 4.0;
      36    return a + b;
      37  }