From 62cd210a8aff98cb8bf795e7b70c610faf5deebb Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Tue, 3 Mar 2026 07:59:09 -0800
Subject: [PATCH] back edge->to is a root resolves #395

Signed-off-by: James Cherry <cherry@parallaxsw.com>
---
 search/Levelize.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/search/Levelize.cc b/search/Levelize.cc
index d04891bf..5a0127b0 100644
--- a/search/Levelize.cc
+++ b/search/Levelize.cc
@@ -323,7 +323,7 @@ Levelize::findCycleBackEdges()
       stack.emplace(vertex, new VertexOutEdgeIterator(vertex, graph_));
       EdgeSet back_edges = findBackEdges(path, stack);
       for (Edge *back_edge : back_edges)
-        roots_.insert(back_edge->from(graph_));
+        roots_.insert(back_edge->to(graph_));
       back_edge_count += back_edges.size();
     }
   }