Generate acthon classes before attrs destruction method

(this way the compiler can understand the active self argument inherits from CyObject,
before trying to decref it in attr destruction handler)

Cython/Compiler/ModuleNode.py

@@ -896,11 +896,12 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
     def generate_cyp_class_deferred_definitions(self, type_entries, code):
         for entry in type_entries:
             if entry.type.is_cyp_class:
-                # Generate cypclass attr destructor
-                self.generate_cyp_class_attrs_destructor_definition(entry, code)
                 # Generate acthon-specific classes
+                self.generate_cyp_class_reifying_entries(entry, code)
                 self.generate_cyp_class_activated_class(entry, code)
                 self.generate_cyp_class_activate_function(entry, code)
+                # Generate cypclass attr destructor
+                self.generate_cyp_class_attrs_destructor_definition(entry, code)
                 # Generate wrapper constructor
                 scope = entry.type.scope
                 wrapper = scope.lookup_here("<constructor>")