gcc/testsuite/gcc.dg/torture/pr91126.c

   1 /* { dg-do run } */
   2
   3 struct S
   4 {
   5   __INT32_TYPE__ a : 24;
   6   __INT32_TYPE__ b : 8;
   7 } s;
   8
   9 int
  10 main()
  11 {
  12   s.a = 0xfefefe;
  13   s.b = 0xfe;
  14   unsigned char c;
  15   c = ((unsigned char *)&s)[0];
  16   if (c != 0xfe)
  17     __builtin_abort ();
  18   c = ((unsigned char *)&s)[1];
  19   if (c != 0xfe)
  20     __builtin_abort ();
  21   c = ((unsigned char *)&s)[2];
  22   if (c != 0xfe)
  23     __builtin_abort ();
  24   c = ((unsigned char *)&s)[3];
  25   if (c != 0xfe)
  26     __builtin_abort ();
  27   return 0;
  28 }