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/* { dg-do compile } */

/* { dg-options "-O1 -fdump-tree-optimized" } */

struct _fat_ptr

{

  unsigned char *curr;

  unsigned char *base;

  unsigned char *last_plus_one;

};

int Cyc_string_ungetc (int ignore, struct _fat_ptr *sptr);

int

Cyc_string_ungetc (int ignore, struct _fat_ptr *sptr)

{

  struct _fat_ptr *_T0;

  struct _fat_ptr *_T1;

  struct _fat_ptr _T2;

  int _T3;

  struct _fat_ptr _ans;

  int _change;

  {

    _T0 = sptr;

    _T1 = sptr;

    _T2 = *sptr;

    _T3 = -1;

    _ans = _T2;

    _change = -1;

    _ans.curr += 4294967295U;

    *sptr = _ans;

    return (0);

  }

}

/* The local aggregates . */

/* { dg-final { scan-tree-dump-times "struct _fat_ptr _ans" 0 "optimized"} } */

/* { dg-final { scan-tree-dump-times "struct _fat_ptr _T2" 0 "optimized"} } */

/* { dg-final { cleanup-tree-dump "optimized" } } */