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/* { dg-options "-std=gnu99" } */

#include <stdarg.h>

extern void abort (void);

struct S1

{

  _Decimal64 a[0];

};

struct S2

{

  struct

  {

    _Decimal64 e;

  } b[0];

};

struct S3

{

  union

  {

    _Decimal64 c;

  } a[0];

};

struct S4

{

  int a[0];

  _Decimal64 b[0];

};

struct S5

{

  union

  {

    _Decimal64 c[0];

  } a;

};

static int failcnt = 0;

/* Support compiling the test to report individual failures; default is

   to abort as soon as a check fails.  */

#ifdef DBG

#include <stdio.h>

#define FAILURE do                             \

{ printf ("failed at line %d\n", __LINE__);    \

  failcnt++;                                   \

}while(0)

#else

#define FAILURE abort ()

#endif

int check_var (int z, ...)

{

  long long result;

  va_list ap;

  va_start (ap, z);

  va_arg (ap, struct S1);

  result = va_arg (ap, long long);

  va_end (ap);

  return (result == 2LL);

}

int main ()

{

  struct S1 s1;

  struct S2 s2;

  struct S3 s3;

  struct S4 s4;

  struct S5 s5;

  if (check_var (2, s1, 2LL) == 0)

    FAILURE;

  if (check_var (2, s2, 2LL) == 0)

    FAILURE;

  if (check_var (2, s3, 2LL) == 0)

    FAILURE;

  if (check_var (2, s4, 2LL) == 0)

    FAILURE;

  if (check_var (2, s5, 2LL) == 0)

    FAILURE;

  if (failcnt)

    abort ();

  return 0;

}