merge revision(s) 44175,44179: [Backport #9236]

	* proc.c (method_owner): return the class where alias is defined, not
	  the class original method is defined.

	* vm_method.c (rb_method_entry_make, rb_alias): store the originally
	  defined class in me.  [Bug #7993] [Bug #7842] [Bug #9236]

	* vm_method.c (rb_method_entry_get_without_cache): cache included
	  module but not iclass.

	* proc.c (mnew_from_me): achieve the original defined_class from
	  prepended iclass, to fix inherited owner.

	* proc.c (method_owner): return the defined class, but not the
	  class which the method object is created from.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@44345 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 0 deletions

diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb
index 6d0f6acf35..1514c26f5c 100644
--- a/test/ruby/test_method.rb
+++ b/test/ruby/test_method.rb
@@ -180,6 +180,15 @@ class TestMethod < Test::Unit::TestCase
     assert_equal(Array.instance_method(:map).hash, Array.instance_method(:collect).hash)
   end
 
+  def test_owner
+    c = Class.new do
+      def foo; end
+    end
+    assert_equal(c, c.instance_method(:foo).owner)
+    c2 = Class.new(c)
+    assert_equal(c, c2.instance_method(:foo).owner)
+  end
+
   def test_receiver_name_owner
     o = Object.new
     def o.foo; end
@@ -534,17 +543,23 @@ class TestMethod < Test::Unit::TestCase
 
   def test_alias_owner
     bug7613 = '[ruby-core:51105]'
+    bug7993 = '[Bug #7993]'
     c = Class.new {
       def foo
       end
+      prepend Module.new
+      attr_reader :zot
     }
     x = c.new
     class << x
       alias bar foo
     end
+    assert_equal(c, c.instance_method(:foo).owner)
     assert_equal(c, x.method(:foo).owner)
     assert_equal(x.singleton_class, x.method(:bar).owner)
     assert(x.method(:foo) != x.method(:bar), bug7613)
+    assert_equal(c, x.method(:zot).owner, bug7993)
+    assert_equal(c, c.instance_method(:zot).owner, bug7993)
   end
 
   def test_gced_bmethod