[Bug tree-optimization/33834] [4.3 Regression] ICE in vect_get_vec_def_for_operand, at tree-vect-transform.c:1829

["tbm at cyrius dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #3 from tbm at cyrius dot com  2007-10-20 19:49 -------
/* Testcase by Martin Michlmayr <tbm@cyrius.com> */

extern double cos (double x);
extern double sin (double x);

class bend_class
{
  double *s_A;
public:
  void set_s_A (double s_A0)
  {
    s_A[0] = s_A0;
  }
};
class bend_set
{
  bend_class *bend_array;
public:
  void set_s_A (int index, double s_A0)
  {
    bend_array[index].set_s_A (s_A0);
  }
  void compute_s (void)
  {
    int i, j;
    double val;
    double tmp[3];
    for (i = 0; i < 5; ++i)
    {
      val = i;
      for (j = 0; j < 2; ++j)
        tmp[j] = cos (val);
      set_s_A (i, tmp[0]);
      tmp[j] = cos (val) / sin (val);
    }
  }
};
class internals
{
  bend_set bend;
  void compute_s (void);
};
void
internals::compute_s (void)
{
  bend.compute_s ();
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33834