1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record.rb b/activerecord/lib/active_record.rb
index c80bce2849..ff6cf44a73 100644
--- a/activerecord/lib/active_record.rb
+++ b/activerecord/lib/active_record.rb
@@ -32,6 +32,7 @@ require 'active_support'
 require 'active_support/i18n'
 require 'active_model'
 require 'arel'
+require 'weakling'
 
 require 'active_record/version'
 
@@ -79,6 +80,7 @@ module ActiveRecord
     autoload :Timestamp
     autoload :Transactions
     autoload :Validations
+    autoload :IdentityMap
   end
 
   module AttributeMethods