Merge remote branch 'rails/master' into identity_map

Conflicts:
	activerecord/lib/active_record/associations/association_proxy.rb
	activerecord/lib/active_record/autosave_association.rb
	activerecord/lib/active_record/base.rb
	activerecord/lib/active_record/persistence.rb

3 files changed, 14 insertions, 0 deletions

diff --git a/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb b/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb
index b284e5ee1c..020dfce56a 100644
--- a/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb
+++ b/activesupport/test/core_ext/class/class_inheritable_attributes_test.rb
@@ -3,9 +3,14 @@ require 'active_support/core_ext/class/inheritable_attributes'
 
 class ClassInheritableAttributesTest < Test::Unit::TestCase
   def setup
+    ActiveSupport::Deprecation.silenced = true
     @klass = Class.new
   end
 
+  def teardown
+    ActiveSupport::Deprecation.silenced = false
+  end
+
   def test_reader_declaration
     assert_nothing_raised do
       @klass.class_inheritable_reader :a
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index 370f26b0d7..74223dd7f2 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -12,6 +12,9 @@ class HashExtTest < Test::Unit::TestCase
   class SubclassingArray < Array
   end
 
+  class SubclassingHash < Hash
+  end
+
   def setup
     @strings = { 'a' => 1, 'b' => 2 }
     @symbols = { :a  => 1, :b  => 2 }
@@ -105,6 +108,11 @@ class HashExtTest < Test::Unit::TestCase
     assert_equal @strings, @mixed.with_indifferent_access.dup.stringify_keys!
   end
 
+  def test_hash_subclass
+    flash = { "foo" => SubclassingHash.new.tap { |h| h["bar"] = "baz" } }.with_indifferent_access
+    assert_kind_of SubclassingHash, flash["foo"]
+  end
+
   def test_indifferent_assorted
     @strings = @strings.with_indifferent_access
     @symbols = @symbols.with_indifferent_access
diff --git a/activesupport/test/core_ext/module/synchronization_test.rb b/activesupport/test/core_ext/module/synchronization_test.rb
index eb850893f0..6c407e2260 100644
--- a/activesupport/test/core_ext/module/synchronization_test.rb
+++ b/activesupport/test/core_ext/module/synchronization_test.rb
@@ -1,3 +1,4 @@
+require 'thread'
 require 'abstract_unit'
 
 require 'active_support/core_ext/class/attribute_accessors'