proc.c: fix inherited owner

* 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/trunk@44179 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb
index a81d6d3812..45268ed779 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