Fixed dependencies related infinite recursion bug when a controller file does...

Fixed dependencies related infinite recursion bug when a controller file does not contain a controller class. Closes #1760. 

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2218 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

 *SVN*
 
+* Fixed dependencies related infinite recursion bug when a controller file does not contain a controller class. Closes #1760. [rcolli2@tampabay.rr.com]
+
 * Fixed inflections for status, quiz, move #2056 [deirdre@deirdre.net]
 
 * Added Hash#reverse_merge, Hash#reverse_merge!, and Hash#reverse_update to ease the use of default options

activesupport/lib/active_support/dependencies.rb

@@ -93,10 +93,16 @@ def const_load!(name, file_name = nil)
           end
           break
         when File.file?(fs_path)
-          self.root.load_file!(fs_path)
+          loaded_file = self.root.load_file!(fs_path)
           
           # Import the loaded constant from Object provided we are the root node.
           self.const_set(name, Object.const_get(name)) if self.root? && Object.const_defined?(name)
+          
+          # Throw an error if we load the file but we don't find the Object we expect
+          if loaded_file and not self.const_defined?(name)
+            msg = "Already loaded file '#{fs_path}' but '#{name.to_s}' was not set, perhaps you need to rename '#{fs_path}'?"
+            raise LoadError, msg
+          end
           break
         end
       end