start on dynamic call test

fix cache entry being not loaded
test incomplete because of missing resolve_method

lib/mom/instruction/slot_load.rb

@@ -58,6 +58,7 @@ module Mom
         end
       when Parfait::CacheEntry
         left = compiler.use_reg( :int )
+        const << Risc.load_constant(original_source, @left.known_object , left)
         left_index = Risc.resolve_to_index(:cache_entry , left_slots.first)
       else
         raise "We have left #{@left.known_object}"