1  /* PR c/65345 */
       2  /* { dg-options "" } */
       3  
       4  _Atomic float i = 3.0f;
       5  
       6  float a1 = sizeof (i + 1.2);
       7  float a2 = sizeof (i = 0);
       8  float a3 = sizeof (i++);
       9  float a4 = sizeof (i--);
      10  float a5 = sizeof (-i);
      11  
      12  float b1 = _Alignof (i + 1);
      13  float b2 = _Alignof (i = 0);
      14  float b3 = _Alignof (i++);
      15  float b4 = _Alignof (i--);
      16  float b5 = _Alignof (-i);
      17  
      18  float c1 = i; /* { dg-error "initializer element is not constant" } */
      19  float c2 = (i ? 1 : 2); /* { dg-error "initializer element is not constant" } */
      20  float c3[(int) i]; /* { dg-error "variably modified" } */
      21  float c4 = 0 || i; /* { dg-error "initializer element is not constant" } */
      22  float c5 = (i += 10); /* { dg-error "initializer element is not constant" } */
      23  
      24  _Static_assert (_Generic (i, float: 1, default: 0) == 1, "1");
      25  _Static_assert (_Generic (i + 1, float: 1, default: 0) == 1, "2");
      26  _Static_assert (_Generic (i = 0, float: 1, default: 0) == 1, "3");
      27  _Static_assert (_Generic (i++, float: 1, default: 0) == 1, "4");
      28  _Static_assert (_Generic (i--, float: 1, default: 0) == 1, "5");
      29  
      30  _Atomic int sz = 2;
      31  void fn1 (float a[sz + 1]);
      32  void fn2 (float a[sz = 0]);
      33  void fn3 (float a[sz++]);
      34  void fn4 (float a[sz--]);
      35  void fn5 (float a[-sz]);