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-rw-r--r--lib/hipe/util/hipe_digraph.erl2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/hipe/util/hipe_digraph.erl b/lib/hipe/util/hipe_digraph.erl
index a62e913fe5..16efa53afe 100644
--- a/lib/hipe/util/hipe_digraph.erl
+++ b/lib/hipe/util/hipe_digraph.erl
@@ -30,6 +30,8 @@
from_list/1, to_list/1, get_parents/2, get_children/2]).
-export([reverse_preorder_sccs/1]).
+-export_type([hdg/0]).
+
%%------------------------------------------------------------------------
-type ordset(T) :: [T]. % XXX: temporarily