Fix some more warnings on 1.9

activesupport/lib/active_support/core_ext/class/delegating_attributes.rb

@@ -27,7 +27,9 @@ def superclass_delegating_accessor(name, options = {})
   # inheritance behavior, without having to store the object in an instance
   # variable and look up the superclass chain manually.
   def _stash_object_in_method(object, method, instance_reader = true)
+    singleton_class.send(:remove_possible_method, method)
     singleton_class.send(:define_method, method) { object }
+    remove_possible_method(method)
     define_method(method) { object } if instance_reader
   end
 

activesupport/test/abstract_unit.rb

-require File.expand_path('../../../load_paths', __FILE__)
+begin
+  old, $VERBOSE = $VERBOSE, nil
+  require File.expand_path('../../../load_paths', __FILE__)
+ensure
+  $VERBOSE = old
+end
 
 lib = File.expand_path("#{File.dirname(__FILE__)}/../lib")
 $:.unshift(lib) unless $:.include?('lib') || $:.include?(lib)
 
 require 'test/unit'
-require 'mocha'
+require 'active_support/core_ext/kernel/reporting'
+
+silence_warnings { require 'mocha' }
 
 ENV['NO_RELOAD'] = '1'
 require 'active_support'

activesupport/test/core_ext/string_ext_test.rb

@@ -285,7 +285,7 @@ def test_sprintf
 
   def test_percent
     assert_equal("% 1", "%% %<num>d" % {:num => 1.0})
-    assert_equal("%{num} %<num>d", "%%{num} %%<num>d" % {:num => 1})
+    assert_equal("%{num} %<num>d 1", "%%{num} %%<num>d %<num>d" % {:num => 1})
   end
 
   def test_sprintf_percent_in_replacement