gcc/testsuite/gcc.c-torture/compile/combine-hang.c

   1 typedef union
   2 {
   3   double value;
   4   struct
   5   {
   6     unsigned long msw;
   7     unsigned long lsw;
   8   } parts;
   9 } ieee_double_shape_type;
  10
  11 double f (int iy)
  12 {
  13   double z, t;
  14   ieee_double_shape_type u, v;
  15
  16   if (iy == 1)
  17     return 0;
  18
  19   u.parts.msw = iy;
  20   u.parts.lsw = 0;
  21   z = u.value;
  22   v.parts.msw = iy;
  23   v.parts.lsw = 0;
  24   t = v.value;
  25   return 1.0+z+t+t;
  26 }