7 files changed, 15 insertions, 12 deletions
diff --git a/actionpack/lib/abstract_controller.rb b/actionpack/lib/abstract_controller.rb
index 1944e42ef1..c1b035306b 100644
--- a/actionpack/lib/abstract_controller.rb
+++ b/actionpack/lib/abstract_controller.rb
@@ -3,8 +3,10 @@ $:.unshift(activesupport_path) if File.directory?(activesupport_path) && !$:.inc
 
 require 'active_support/ruby/shim'
 require 'active_support/dependencies/autoload'
+require 'active_support/core_ext/class/attribute'
 require 'active_support/core_ext/module/attr_internal'
 require 'active_support/core_ext/module/delegation'
+require 'active_support/core_ext/module/anonymous'
 
 module AbstractController
   extend ActiveSupport::Autoload
diff --git a/actionpack/lib/abstract_controller/base.rb b/actionpack/lib/abstract_controller/base.rb
index 3119ee498b..e14818e464 100644
--- a/actionpack/lib/abstract_controller/base.rb
+++ b/actionpack/lib/abstract_controller/base.rb
@@ -84,7 +84,7 @@ module AbstractController
       # ==== Returns
       # String
       def controller_path
-        @controller_path ||= name && name.sub(/Controller$/, '').underscore
+        @controller_path ||= name.sub(/Controller$/, '').underscore unless anonymous?
       end
     end
 
diff --git a/actionpack/lib/abstract_controller/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb
index ca3a7550e5..f875213afb 100644
--- a/actionpack/lib/abstract_controller/helpers.rb
+++ b/actionpack/lib/abstract_controller/helpers.rb
@@ -1,7 +1,4 @@
 require 'active_support/dependencies'
-require 'active_support/core_ext/class/attribute'
-require 'active_support/core_ext/module/delegation'
-require 'active_support/core_ext/module/anonymous'
 
 module AbstractController
   module Helpers
diff --git a/actionpack/lib/abstract_controller/layouts.rb b/actionpack/lib/abstract_controller/layouts.rb
index 0d214396aa..beda4e633e 100644
--- a/actionpack/lib/abstract_controller/layouts.rb
+++ b/actionpack/lib/abstract_controller/layouts.rb
@@ -1,6 +1,3 @@
-require 'active_support/core_ext/class/attribute'
-require 'active_support/core_ext/module/delegation'
-
 module AbstractController
   # Layouts reverse the common pattern of including shared headers and footers in many templates to isolate changes in
   # repeated setups. The inclusion pattern has pages that look like this:
diff --git a/actionpack/lib/abstract_controller/logger.rb b/actionpack/lib/abstract_controller/logger.rb
index a23a13e1d6..9318f5e369 100644
--- a/actionpack/lib/abstract_controller/logger.rb
+++ b/actionpack/lib/abstract_controller/logger.rb
@@ -1,5 +1,5 @@
-require 'active_support/core_ext/logger'
-require 'active_support/benchmarkable'
+require "active_support/core_ext/logger"
+require "active_support/benchmarkable"
 
 module AbstractController
   module Logger
diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb
index 14f51ae1bf..32fdf821a7 100644
--- a/actionpack/lib/abstract_controller/rendering.rb
+++ b/actionpack/lib/abstract_controller/rendering.rb
@@ -1,7 +1,5 @@
 require "abstract_controller/base"
-require 'active_support/core_ext/class/attribute'
-require 'active_support/core_ext/module/delegation'
-require 'active_support/core_ext/array/wrap'
+require "active_support/core_ext/array/wrap"
 
 module AbstractController
   class DoubleRenderError < Error
diff --git a/actionpack/test/controller/base_test.rb b/actionpack/test/controller/base_test.rb
index 436ee212c8..207dc63d57 100644
--- a/actionpack/test/controller/base_test.rb
+++ b/actionpack/test/controller/base_test.rb
@@ -113,6 +113,15 @@ class ControllerInstanceTests < Test::Unit::TestCase
       assert_equal Set.new(%w(public_action)), c.class.__send__(:action_methods), "#{c.controller_path} should not be empty!"
     end
   end
+
+  def test_temporary_anonymous_controllers
+    name = 'ExamplesController'
+    klass = Class.new(ActionController::Base)
+    Object.const_set(name, klass)
+
+    controller = klass.new
+    assert_equal "examples", controller.controller_path
+  end
 end
 
 class PerformActionTest < ActionController::TestCase