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/* { dg-do compile } */

/* { dg-options "-O -fschedule-insns2 -fschedule-insns -g" } */

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

template < class _T1, class _T2 > struct pair

{

  _T1 first;

  _T2 second;

  pair (_T1 & __a, _T2 & __b)

      :first (__a), second (__b)

    {    }

}

;

template < typename _Tp > struct _Vector_base

{

  ~_Vector_base ();

}

;

template < typename _Tp>struct vector

: _Vector_base < _Tp>

{

  template    <    typename     _ForwardIterator >   inline     void _Destroy (_ForwardIterator)   {  }

  _Tp * _M_finish;

  ~vector ()

    {

      _Destroy  ( this->_M_finish);

    }

}   ;

template < typename ITV > struct Box

{

  Box (const Box &);

  Box ();

  typedef vector < ITV > Sequence;

  Sequence seq;

};

template < typename D > struct Powerset

{

  Powerset (const Powerset &y) :reduced (y.reduced) {}

  bool reduced;

} ;

template < typename PS > struct Pointset_Powerset :Powerset <  int >

{

  Pointset_Powerset ();

  int space_dim;

} ;

pair

<

Box,

Pointset_Powerset < int > >

linear_partition ()

{

  Pointset_Powerset < int > r ;

  Box qq;

  return pair,Pointset_Powerset < int > >  (qq, r);

}