From 57850b59478c32b97351d8466f4a6f951df6a27a Mon Sep 17 00:00:00 2001
From: Eivind Kvedalen <eivind@kvedalen.name>
Date: Wed, 11 Jan 2017 10:06:19 +0100
Subject: [PATCH] fix crash in graphviz export due to invalidated iterators

---
 src/App/Document.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/App/Document.cpp b/src/App/Document.cpp
index 23547b101..77be9f9c5 100644
--- a/src/App/Document.cpp
+++ b/src/App/Document.cpp
@@ -615,6 +615,7 @@ void Document::exportGraphviz(std::ostream& out) const
                     if (i_in_deg_pair.first == in_edges.end()) {
                         removeEdges(in_edges, out_edges, i_out_deg_pair, [&](Edge e) { return target(e, DepList); });
                         changed = true;
+                        i_out_deg_pair = out_edges.equal_range(*uvi);
                     }
 
                     // Remove in edges of nodes that don't have a single edge out