1  /* PR rtl-optimization/28243 */
       2  /* Reported by Mike Frysinger <vapier@gentoo.org> */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-require-effective-target fpic } */
       6  /* { dg-options "-O2 -ftracer -fPIC" } */
       7  
       8  struct displayfuncs {
       9    void (*init) ();
      10  } funcs;
      11  
      12  struct gpsdisplay {
      13    struct displayfuncs *funcs;
      14  };
      15  
      16  void PSDoArc ();
      17  
      18  static void PSMyArc(double cx, double cy, double radx, double rady, double sa,
      19  		    double ta)
      20  {
      21    double ea;
      22    double temp;
      23    ea = sa + ta;
      24    while (sa < ea) {
      25      temp = ((sa + 90) / 90) * 90;
      26      PSDoArc(cx, sa, ea < temp ? ea : temp);
      27      sa = temp;
      28    }
      29  }
      30  
      31  static void PSDrawElipse()
      32  {
      33    float cx;
      34    float cy;
      35    float radx;
      36    float rady;
      37    if (radx != rady)
      38      PSMyArc(cx, cy, radx, rady, 0, 360);
      39  }
      40  
      41  static void PSDrawFillCircle()
      42  {
      43    PSDrawElipse();
      44  }
      45  
      46  static struct displayfuncs psfuncs[] = {
      47    PSDrawFillCircle
      48  };
      49  
      50  void _GPSDraw_CreateDisplay()
      51  {
      52    struct gpsdisplay *gdisp;
      53    gdisp->funcs = (void *)&psfuncs;
      54  }