From f4fd7baf7ec8ff5954e226f2e7ea2697e84a39dd Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 Aug 2021 13:05:12 -0600
Subject: [PATCH] [bit-set-invertible] Fix subtract() logic

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

diff --git a/src/hb-bit-set-invertible.hh b/src/hb-bit-set-invertible.hh
index 084e1d218..9cc6c1694 100644
--- a/src/hb-bit-set-invertible.hh
+++ b/src/hb-bit-set-invertible.hh
@@ -163,7 +163,7 @@ struct hb_bit_set_invertible_t
     else
     {
       if (unlikely (inverted))
-	process (hb_bitwise_non, other);
+	process (hb_bitwise_or, other);
       else
 	process (hb_bitwise_and, other);
     }