gcc/testsuite/g++.old-deja/g++.brendan/union1.C

   1 // GROUPS passed unions
   2 // This is fixed by finish_anon_union doing a string_cst_equal check on
   3 // the DECL_SIZE of the decls, instead of comparing the DECL_SIZE nodes.
   4
   5 // The compiler currently fails to allocate space for the static union.
   6
   7      unsigned
   8      hash(const double d)
   9      {
  10         static union {
  11            unsigned asint[2];
  12            double asdouble;
  13         };
  14         asdouble = d;
  15         return asint[0] ^ asint[1];
  16      }
  17
  18 int main ()
  19 {
  20   hash (3.1415);
  21 }