[repacker] more bug fixes.
diff --git a/src/graph/graph.hh b/src/graph/graph.hh
index 7dc5413..b0b6df7 100644
--- a/src/graph/graph.hh
+++ b/src/graph/graph.hh
@@ -230,6 +230,17 @@
/*
* Generates a new topological sorting of graph ordered by the shortest
+ * distance to each node if positions are marked as invalid.
+ */
+ void sort_shortest_distance_if_needed ()
+ {
+ if (!positions_invalid) return;
+ sort_shortest_distance ();
+ }
+
+
+ /*
+ * Generates a new topological sorting of graph ordered by the shortest
* distance to each node.
*/
void sort_shortest_distance ()
@@ -541,6 +552,9 @@
unsigned new_parent_idx,
const O* new_offset)
{
+ distance_invalid = true;
+ positions_invalid = true;
+
auto& old_v = vertices_[old_parent_idx];
auto& new_v = vertices_[new_parent_idx];
