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/* { dg-do run } */

/* { dg-require-effective-target sync_char_short } */

/* { dg-options "-mcpu=v9" { target sparc*-*-* } } */

/* This testcase failed on s390 because no compare instruction for

   the check of FLAG was emitted.  */

unsigned short int count = 0;

int flag = 1;

extern void abort (void);

extern void exit (int);

int

main ()

{

  __sync_add_and_fetch (&count, -1);

  if (!flag)

    abort ();

  exit (0);

}