validation/packed-bitfield1.c

   1 #define __packed        __attribute__((packed))
   2
   3 struct s {
   4         unsigned int f0:1;
   5         unsigned int f1:1;
   6         unsigned int pad:6;
   7 } __packed;
   8 _Static_assert(sizeof(struct s) == 1,  "sizeof(struct s)");
   9
  10 extern struct s g;
  11
  12 static int foo(struct s *ptr)
  13 {
  14         int f = 0;
  15
  16         f += g.f0;
  17         f += g.f1;
  18
  19         f += ptr->f0;
  20         f += ptr->f1;
  21
  22         return f;
  23 }
  24
  25 /*
  26  * check-name: packed-bitfield1
  27  */