gcc/testsuite/g++.dg/vect/pr33860.cc

   1 /* { dg-do compile } */
   2 /* Testcase by Martin Michlmayr <tbm@cyrius.com> */
   3
   4 class Matrix
   5 {
   6   public:
   7     double data[4][4];
   8     Matrix operator* (const Matrix matrix) const;
   9     void makeRotationAboutVector (void);
  10 };
  11 void Matrix::makeRotationAboutVector (void)
  12 {
  13    Matrix irx;
  14    *this = irx * (*this);
  15 }
  16 Matrix Matrix::operator* (const Matrix matrix) const
  17 {
  18   Matrix ret;
  19   for (int i = 0; i < 4; i++)
  20     for (int j = 0; j < 4; j++)
  21       ret.data[j][i] = matrix.data[j][2] + matrix.data[j][3];
  22   return ret;
  23 }
  24