From e7514dc670df81e15d4def00d9b14621bfe8153c Mon Sep 17 00:00:00 2001
From: Derek Hammer <derek.r.hammer@gmail.com>
Date: Mon, 13 Apr 2020 13:51:47 -0600
Subject: [PATCH] Load XML Builder if it is not available

---
 activesupport/lib/active_support/core_ext/hash/conversions.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb
index c368c21c0a731..ce4c805c9bb7b 100644
--- a/activesupport/lib/active_support/core_ext/hash/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb
@@ -73,7 +73,7 @@ class Hash
   # configure your own builder with the <tt>:builder</tt> option. The method also accepts
   # options like <tt>:dasherize</tt> and friends, they are forwarded to the builder.
   def to_xml(options = {})
-    require "active_support/builder" unless defined?(Builder)
+    require "active_support/builder" unless defined?(Builder) && defined?(Builder::XmlMarkup)
 
     options = options.dup
     options[:indent]  ||= 2