#
#
# patch "rcs_import.cc"
#  from [ee72d30c3711f2a005f522f2704107f0312cdc0f]
#    to [24b60e2cfda2011dfe94713719da098a20456deb]
#
============================================================
--- rcs_import.cc	ee72d30c3711f2a005f522f2704107f0312cdc0f
+++ rcs_import.cc	24b60e2cfda2011dfe94713719da098a20456deb
@@ -2121,7 +2121,7 @@ calculate_age_limit(const cvs_blob_index
     age_limit = (ala < alb ? ala : alb);
 
     // subtract a safety margin, if necessary
-    time_i safety_margin = cvs.max_neg_dependency_time_diff * 3;
+    time_i safety_margin = cvs.max_neg_dependency_time_diff * 10;
     if (age_limit > safety_margin)
       age_limit -= safety_margin;
     else
@@ -2945,6 +2945,18 @@ public:
         % e.first % get_event_repr(cvs, *cvs.blobs[e.first].begin())
         % e.second % get_event_repr(cvs, *cvs.blobs[e.second].begin()));
 
+      vector<cvs_blob_index> cycle_members;
+      insert_iterator< vector< cvs_blob_index > >
+        ity(cycle_members, cycle_members.begin());
+      dijkstra_shortest_path(cvs, e.first, e.second, ity,
+                             true, true, false, // follow white and grey
+                             false,
+                             make_pair(invalid_blob, invalid_blob),
+                             0);
+      I(!cycle_members.empty());
+      log_path(cvs, "created back edge: ",
+               cycle_members.begin(), cycle_members.end());
+
       I(false);
     }
 };