2 files changed, 5 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/stack.rb b/actionpack/lib/action_dispatch/middleware/stack.rb
index 90e2ae6802..44fc1ee736 100644
--- a/actionpack/lib/action_dispatch/middleware/stack.rb
+++ b/actionpack/lib/action_dispatch/middleware/stack.rb
@@ -15,7 +15,11 @@ module ActionDispatch
       def name; klass.name; end
 
       def inspect
-        klass.to_s
+        if klass.is_a?(Class)
+          klass.to_s
+        else
+          klass.class.to_s
+        end
       end
 
       def build(app)
diff --git a/actionpack/lib/action_dispatch/middleware/static.rb b/actionpack/lib/action_dispatch/middleware/static.rb
index 75f8e05a3f..ea9ab3821d 100644
--- a/actionpack/lib/action_dispatch/middleware/static.rb
+++ b/actionpack/lib/action_dispatch/middleware/static.rb
@@ -15,7 +15,6 @@ module ActionDispatch
   class FileHandler
     def initialize(root, index: 'index', headers: {})
       @root          = root.chomp('/')
-      @compiled_root = /^#{Regexp.escape(root)}/
       @file_server   = ::Rack::File.new(@root, headers)
       @index         = index
     end