prevResult = result;
SpecialMethod spec = graph.getSpecialMethod(name);
if (spec != null) {
spec.call(graph.getRuntime(), receivers, argVertices, block, result);
if (result.getResultTypeSet() != null) {
accumulator.addAll(result.getResultTypeSet());
}
if (result.hasPrivateVisibility()) {
vertex.setPrivateVisibility(true);
}
if (result.isNeverCallAgain()) {