From b404c871ae1970ee0d3d8a636981131ea888d60e Mon Sep 17 00:00:00 2001
From: Sergey Grosman <43882757+Sergey-Grosman@users.noreply.github.com>
Date: Tue, 13 Oct 2020 00:22:30 +0200
Subject: [PATCH] you have to allocate the vector, otherwise get a segmentation
 fault

---
 boost_properties/in_algorithms.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boost_properties/in_algorithms.cxx b/boost_properties/in_algorithms.cxx
index 96b3ce6..6834315 100644
--- a/boost_properties/in_algorithms.cxx
+++ b/boost_properties/in_algorithms.cxx
@@ -276,7 +276,7 @@ void example3()
 
   std::map<MyBareGraphType::vertex_descriptor, MyBareGraphType::vertex_descriptor> preds;
   my_predmap predmap(preds);
-  std::vector<int> dists;
+  std::vector<int> dists(boost::num_vertices(G));
   my_distmap distmap(G, dists);
   std::map<MyBareGraphType::edge_descriptor, int> weights;
   my_weightmap weightmap(weights);