+ var recv
+ # new factories are badly implemented.
+ # They assume a stub temporary receiver exists.
+ # This temporary receiver is required because it
+ # currently holds the method and the formal types.
+ #
+ # However, this object could be reused if the formal types are the same.
+ # Therefore, the following code will `once` it in these case
+ if callsite.mproperty.is_new and not mtype.need_anchor then
+ var name = v.get_name("varoncenew")
+ var guard = v.get_name(name + "_guard")
+ v.add_decl("static {mtype.ctype} {name};")
+ v.add_decl("static int {guard};")
+ recv = v.new_var(mtype)
+ v.add("if (likely({guard})) \{")
+ v.add("{recv} = {name};")
+ v.add("\} else \{")
+ var i = v.init_instance_or_extern(mtype)
+ v.add("{recv} = {i};")
+ v.add("{name} = {recv};")
+ v.add("{guard} = 1;")
+ v.add("\}")
+ else
+ recv = v.init_instance_or_extern(mtype)
+ end
+