more splitting of slot code

now constants, still wip

test/sol/send/test_send_simple_args.rb

@@ -23,5 +23,9 @@ module Sol
       check_array [MessageSetup,ArgumentTransfer,SimpleCall, SlotLoad, ReturnJump,
                   Label, ReturnSequence , Label] , @ins
     end
+    def test_receiver_move
+      assert_equal ConstantDefinition,  @ins.next.receiver.class
+    end
+
   end
 end