remove tmp variables

sadly without having to touch tests

lib/virtual/boot.rb

@@ -130,7 +130,7 @@ module Virtual
           # instances are copied (shame on you)
           :Class => [:object_layout , :name , :instance_methods , :super_class , :meta_class],
           :Dictionary => [:keys , :values ] ,
-          :Method => [:name , :code ,:arg_names , :for_class, :locals , :tmps ] ,
+          :Method => [:name , :code ,:arg_names , :for_class, :locals  ] ,
           :Module => [:name , :instance_methods , :super_class , :meta_class ]
         }
     end

lib/virtual/method_source.rb

@@ -117,12 +117,6 @@ module Virtual
       return new_b
     end
 
-    def get_tmp
-      name = "__tmp__#{@tmps.length}"
-      @tmps << name
-      Ast::NameExpression.new(name)
-    end
-
     # sugar to create instructions easily.
     # any method will be passed on to the RegisterMachine and the result added to the insertion block
     #  With this trick we can write what looks like assembler,

lib/virtual/passes/enter_implementation.rb

@@ -8,7 +8,7 @@ module Virtual
         # save return register to the message at instance return_address
         new_codes << Register.save_return(code, :message , :return_address)
         # and create a new frame if needed
-        unless code.method.locals.empty? and code.method.tmps.empty?
+        unless code.method.locals.empty?
           new_codes << Virtual::NewFrame.new
         end
         block.replace(code , new_codes )