commit 3b386c3773f24e30ec26bbbf86422ac67a6fb7b9
author Behdad Esfahbod <behdad@behdad.org> Tue Aug 01 14:12:43 2023 -0600
committer Behdad Esfahbod <behdad@behdad.org> Tue Aug 01 14:15:41 2023 -0600
tree 130ebf6011e0738bbe90b01ca3be63e0a2213893
parent 07e7033076d9acfeeaa7a91ea878fa130a022824

[graph] Minor assert

src/graph/graph.hh

diff --git a/src/graph/graph.hh b/src/graph/graph.hh
index 18f329b..b98e3f2 100644
--- a/src/graph/graph.hh
+++ b/src/graph/graph.hh
@@ -271,6 +271,7 @@
     {
       if (single_parent != (unsigned) -1)
       {
+        assert (single_parent < id_map.length);
 	single_parent = id_map[single_parent];
 	return;
       }
@@ -278,7 +279,10 @@
       hb_hashmap_t<unsigned, unsigned> new_parents;
       new_parents.alloc (parents.get_population ());
       for (auto _ : parents)
+      {
+        assert (_.first < id_map.length);
         new_parents.set (id_map[_.first], _.second);
+      }
 
       if (!new_parents.in_error ())
 	parents = std::move (new_parents);