Revert "only mutate the scope object in the bind method"

This reverts commit 1b9e19c.

Author: tenderlove

activerecord/lib/active_record/associations/association_scope.rb

@@ -41,12 +41,12 @@ def column_for(table_name, column_name)
       def bind_value(scope, column, value)
         substitute = alias_tracker.connection.substitute_at(
           column, scope.bind_values.length)
+        scope.bind_values += [[column, value]]
         substitute
       end
 
       def bind(scope, table_name, column_name, value)
         column   = column_for table_name, column_name
-        scope.bind_values += [[column, value]]
         bind_value scope, column, value
       end