1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_objectspace.rb b/test/ruby/test_objectspace.rb
index 3127b61abe..16fe004a2a 100644
--- a/test/ruby/test_objectspace.rb
+++ b/test/ruby/test_objectspace.rb
@@ -84,4 +84,11 @@ End
     }
     End
   end
+
+  def test_each_object_recursive_key
+    assert_normal_exit(<<-'end;', '[ruby-core:66742] [Bug #10579]')
+      h = {["foo"]=>nil}
+      p Thread.current[:__recursive_key__]
+    end;
+  end
 end