// To visit S1 *before* S2, use the scc_iterator on the Inverse graph.
// (NOTE: This requires some simple wrappers and is not supported yet.)
//
//===----------------------------------------------------------------------===//
// To visit S1 *before* S2, use the scc_iterator on the Inverse graph.
// (NOTE: This requires some simple wrappers and is not supported yet.)
//
//===----------------------------------------------------------------------===//