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// { dg-do run  }

// { dg-options "-O2 -w" }

// egcs-bugs 1999-02-22 14:24 Stefan Schwarzer

// sts@ica1.uni-stuttgart.de

// optimizer problem in egcs <= 1.1.1

struct XTVec{

  XTVec(){x[0]=x[1] =x[2] =0;}

  XTVec(int ax,int y=0.,int z=0.){x[0]=ax;x[1]=y; x[2]=z; }

  int& operator[](int);

  int x[3];

};

inline

int & XTVec::operator[](int i){

  return x[i];

}

inline

XTVec& operator+=(XTVec& lhs, XTVec& rhs){

  lhs[0]+=rhs[0];

  lhs[1]+=rhs[1];

  lhs[2]+=rhs[2];

  return lhs;

}

inline

XTVec operator+(XTVec& lhs, XTVec& rhs){

  XTVec result(lhs);

  return result += rhs;

}

int main()

{

  XTVec ur(4.,0.,1.);

  XTVec ll(0.,2.,0.);

  XTVec initsum(ur + ll);

  // sum of components should be 7

  return (initsum[0] + initsum[1] + initsum[2] - 7);

}