/** Test that unboxing and promotion (from int to double) work together. * Was bug 819. */objectTest{defid[A](x:A):A=x;defmain(args:Array[String]):Unit={Console.println(id(1)*2.0)Console.println(3.0*id(2))Console.println(id(4.0)*5)Console.println(6*id(5.0))}}