gcc/testsuite/gcc.dg/typename-vla-4.c

   1 /* { dg-do run }
   2  * { dg-options "-std=gnu99" }
   3  * */
   4
   5 int main()
   6 {
   7         int n = 1;
   8         sizeof(int[n++]);
   9         typeof(int[n++]);                       /* { dg-warning "empty declaration" } */
  10         struct { int x[n++]; };                 /* { dg-warning "no instance" } */
  11         struct foo { int x[n++]; };
  12         struct { int x[n++]; } x;
  13         struct bar { int x[n++]; } y;
  14         (int(*)[n++])0;
  15         (typeof(int(*)[n++]))0;
  16         (struct { int x[n++]; }*)0;
  17         (struct q { int x[n++]; }*)0;
  18         typeof(struct { int x[n++]; });         /* { dg-warning "empty declaration" } */
  19         typeof(struct r { int x[n++]; });       /* { dg-warning "empty declaration" } */
  20
  21         if (13 != n)
  22                 __builtin_abort();
  23 }