Merge change 7857 into donut

                    if (rule > 0) {

                        // The node this node depends on

                        final Node dependency = keyNodes.get(rule);

                        if (dependency == node) {

                            throw new IllegalStateException("A view cannot have a dependency" +

                                    " on itself");

                        }

                        if (dependency == null) {

                        // Skip unknowns and self dependencies

                        if (dependency == null || dependency == node) {

                            continue;

                        }

                        // Add the current node as a dependent