Fix first Slot instruction that uses builder

now without method_missing and names
but still with instance_eval, hmm. Tried without, makes code much less readable

lib/risc/builder.rb

@@ -142,6 +142,9 @@ module Risc
       return ins
     end
 
+    def load_object(object)
+      @compiler.load_object(object)
+    end
     # for some methods that return an integer it is beneficial to pre allocate the
     # integer and store it in the return value. That is what this function does.
     #

lib/risc/callable_compiler.rb

@@ -96,6 +96,7 @@ module Risc
     def load_object( object )
       raise "must be Parfait, not #{object.class}" unless object.is_a?(Parfait::Object)
       ins = Risc.load_constant("load to #{object.type}" , object)
+      ins.register.set_compiler(self)
       add_code ins
       # todo for constants (not objects)
       # add_constant(right) if compiler