1  /* Test C2x constexpr.  Valid code using GNU extensions, compilation tests.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=gnu2x" } */
       4  
       5  struct s { struct { int x, y; } x; };
       6  constexpr struct s v = { { 123, 150 } };
       7  int k;
       8  constexpr int a[200] = { [v.x.x ... v.x.y] = 7 };
       9  
      10  void
      11  f ()
      12  {
      13    switch (k)
      14      {
      15      case v.x.x ... v.x.y: ;
      16      }
      17  }