* variable.c (rb_const_defined_0): fix autoloading base.

  [ruby-core:35509]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31169 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 insertions, 0 deletions

diff --git a/test/ruby/test_defined.rb b/test/ruby/test_defined.rb
index 9d52e04bc0..e1d685275d 100644
--- a/test/ruby/test_defined.rb
+++ b/test/ruby/test_defined.rb
@@ -85,4 +85,22 @@ class TestDefined < Test::Unit::TestCase
     assert_equal 'global-variable', defined?($1)
     assert_equal nil, defined?($2)
   end
+
+  def test_autoloaded_subclass
+    bug = "[ruby-core:35509]"
+
+    klass = Class.new do
+      autoload(:A, "a")
+    end
+    x = klass.new
+    class << x
+      def a?; defined?(A); end
+    end
+    assert_equal("constant", x.a?, bug)
+
+    klass = Class.new(klass) do
+      def a?; defined?(A); end
+    end
+    assert_equal("constant", klass.new.a?, bug)
+  end
 end