1  /* GCSE used to reuse the value of __MRDACC.  */
       2  /* { dg-do run } */
       3  extern void abort (void);
       4  extern void exit (int);
       5  
       6  void foo (int *z)
       7  {
       8    __MWTACC (3, 1);
       9    if (__MRDACC (3) != 1)
      10      *z = 1;
      11    __MCLRACCA ();
      12    if (__MRDACC (3) != 1)
      13      *z = 2;
      14  }
      15  
      16  int main ()
      17  {
      18    int z = 3;
      19  
      20    foo (&z);
      21    if (z != 2)
      22      abort ();
      23    exit (0);
      24  }