From 7bcc5dfa97a43d9c5f6dfdb87b4f0d5a589ecd48 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 28 Jul 2019 20:55:50 -0700
Subject: [PATCH] [iter] Fix accumulate to accept const types

---
 src/hb-iter.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-iter.hh b/src/hb-iter.hh
index c820c8fb4..8d2ff80c2 100644
--- a/src/hb-iter.hh
+++ b/src/hb-iter.hh
@@ -480,7 +480,7 @@ struct hb_reduce_t
 
   template <typename Iter,
 	    hb_requires (hb_is_iterator (Iter)),
-	    typename AccuT = hb_remove_reference<decltype (hb_declval (Redu) (hb_declval (InitT), hb_declval (typename Iter::item_t)))>>
+	    typename AccuT = hb_decay<decltype (hb_declval (Redu) (hb_declval (InitT), hb_declval (typename Iter::item_t)))>>
   AccuT
   operator () (Iter it)
   {