1  /* { dg-do compile } */
       2  /* { dg-additional-options "-fno-signed-zeros" } */
       3  
       4  
       5  double distance3d_sqr_pt4d_pt4d(void);
       6  
       7  int update_r_k_curr_cluster;
       8  void update_r_k(void) {
       9    double curr_distance = distance3d_sqr_pt4d_pt4d();
      10    for (int cluster; cluster; cluster++)
      11      if (0 < curr_distance) {
      12        curr_distance = 0;
      13        update_r_k_curr_cluster = cluster;
      14      }
      15  }