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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);
}
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