class.c: from the origin class

* class.c (rb_obj_singleton_methods): collect methods from the origin
  class.  [ruby-core:53207] [Bug #8044]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
index 9787525bce..eab536b3d5 100644
--- a/test/ruby/test_object.rb
+++ b/test/ruby/test_object.rb
@@ -159,6 +159,15 @@ class TestObject < Test::Unit::TestCase
     assert_equal([:foo2], (o2.public_methods(false) - o0.public_methods(false)).sort)
   end
 
+  def test_methods_prepend
+    bug8044 = '[ruby-core:53207] [Bug #8044]'
+    o = Object.new
+    def o.foo; end
+    assert_equal([:foo], o.methods(false))
+    class << o; prepend Module.new; end
+    assert_equal([:foo], o.methods(false), bug8044)
+  end
+
   def test_instance_variable_get
     o = Object.new
     o.instance_eval { @foo = :foo }