gcc/testsuite/gcc.dg/anon-struct-10.c

   1 /* Test for designated initializers for anonymous structures and
   2    unions.  PR 10676.  */
   3 /* { dg-do run } */
   4 /* { dg-options "" } */
   5
   6 extern void abort (void);
   7 extern void exit (int);
   8
   9 struct s
  10 {
  11   int a;
  12   struct
  13   {
  14     int b;
  15     int c;
  16   };
  17   union
  18   {
  19     int d;
  20     struct
  21     {
  22       int e;
  23     };
  24   };
  25   struct
  26   {
  27     struct
  28     {
  29       struct
  30       {
  31         int f;
  32       };
  33     };
  34   };
  35 };
  36
  37 struct s x =
  38   {
  39     .e = 5,
  40     .b = 4,
  41     .a = 3,
  42     .f = 7,
  43     .c = 9
  44   };
  45
  46 int
  47 main (void)
  48 {
  49   if (x.a != 3
  50       || x.b != 4
  51       || x.c != 9
  52       || x.d != 5
  53       || x.e != 5
  54       || x.f != 7)
  55     abort ();
  56   exit (0);
  57 }