gcc/testsuite/gcc.c-torture/compat/struct-align.c

   1 typedef union
   2 {
   3   struct {int a; int b;} s;
   4   double d;
   5 } T;
   6
   7 int h (T *);
   8 T g (T);
   9
  10 #if COMPILER != 1
  11 h (T *x)
  12 {
  13   if (x->s.a != 0 || x->s.b != 1)
  14     abort ();
  15 }
  16 #endif
  17
  18 #if COMPILER != 2
  19 T
  20 g (T x)
  21 {
  22   if (x.s.a != 13 || x.s.b != 47)
  23     abort ();
  24   x.s.a = 0;
  25   x.s.b = 1;
  26   h (&x);
  27   return x;
  28 }
  29 #endif
  30
  31 #if COMPILER != 1
  32 f ()
  33 {
  34   T x;
  35   x.s.a = 13;
  36   x.s.b = 47;
  37   g (x);
  38   if (x.s.a != 13 || x.s.b != 47)
  39     abort ();
  40   x = g (x);
  41   if (x.s.a != 0 || x.s.b != 1)
  42     abort ();
  43 }
  44 #endif
  45
  46 #if COMPILER != 2
  47 main ()
  48 {
  49   f ();
  50   exit (0);
  51 }
  52 #endif