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/* { dg-do compile } */

/* Testcase by Martin Michlmayr <tbm@cyrius.com> */

class Matrix

{

  public:

    double data[4][4];

    Matrix operator* (const Matrix matrix) const;

    void makeRotationAboutVector (void);

};

void Matrix::makeRotationAboutVector (void)

{

   Matrix irx;

   *this = irx * (*this);

}

Matrix Matrix::operator* (const Matrix matrix) const

{

  Matrix ret;

  for (int i = 0; i < 4; i++)

    for (int j = 0; j < 4; j++)

      ret.data[j][i] = matrix.data[j][2] + matrix.data[j][3];

  return ret;

}

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