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/* Test for MS bitfield layout */

/* { dg-do run { target *-*-interix* *-*-mingw* *-*-cygwin* i?86-*-* x86_64-*-* } } */

extern void abort();

struct s1_t {

    char a;

    char b __attribute__ ((aligned (16)));

} __attribute__ ((ms_struct));

struct s1_t s1;

struct s2_t {

  char a;

  char b;

} __attribute__ ((ms_struct));

struct s2_t s2;

struct s3_t {

  __extension__ char a : 6;

  char b __attribute__ ((aligned (16)));

} __attribute__ ((ms_struct));

struct s3_t s3;

struct s4_t {

  __extension__ char a : 6;

  char b __attribute__ ((aligned (2)));

} __attribute__ ((ms_struct));

struct s4_t s4;

struct s5_t {

  __extension__ char a : 6;

  char b __attribute__ ((aligned (1)));

} __attribute__ ((ms_struct));

struct s5_t s5;

__extension__

static __PTRDIFF_TYPE__ offs (const void *a, const void *b)

{

  return (__PTRDIFF_TYPE__) ((const char*)a  - (const char*)b);

}

int main()

{

  if (offs (&s1.b, &s1) != 16

      || offs (&s2.b, &s2) != 1

      || offs (&s3.b, &s3) != 16

      || offs (&s4.b, &s4) != 2

      || offs (&s5.b, &s5) != 1)

    abort ();

  return 0;

}