Merge pull request rails#48004 from byroot/delegate-private

Module#delegate directly define methods as private

Author: byroot

activesupport/lib/active_support/core_ext/module/delegation.rb

@@ -193,6 +193,8 @@ def delegate(*methods, to: nil, prefix: nil, allow_nil: nil, private: nil)
     method_def = []
     method_names = []
 
+    method_def << "self.private" if private
+
     methods.each do |method|
       method_name = prefix ? "#{method_prefix}#{method}" : method
       method_names << method_name.to_sym
@@ -264,7 +266,6 @@ def delegate(*methods, to: nil, prefix: nil, allow_nil: nil, private: nil)
       end
     end
     module_eval(method_def.join(";"), file, line)
-    private(*method_names) if private
     method_names
   end