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-rw-r--r--tools/depend.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/depend.ml b/tools/depend.ml
index f4bebad294..effe26fc1b 100644
--- a/tools/depend.ml
+++ b/tools/depend.ml
@@ -158,6 +158,7 @@ let rec add_expr bv exp =
| Pexp_object (pat, fieldl) ->
add_pattern bv pat; List.iter (add_class_field bv) fieldl
| Pexp_newtype (_, e) -> add_expr bv e
+ | Pexp_open (m, e) -> addmodule bv m; add_expr bv e
and add_pat_expr_list bv pel =
List.iter (fun (p, e) -> add_pattern bv p; add_expr bv e) pel