From 8d3701f507cfda835855a64f598bed468a4b31e3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 15 Mar 2021 14:01:32 -0600
Subject: [PATCH] [buffer] HB_NODISCARD in_error()

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

diff --git a/src/hb-buffer.hh b/src/hb-buffer.hh
index e5d360f11..0354bbb9e 100644
--- a/src/hb-buffer.hh
+++ b/src/hb-buffer.hh
@@ -139,7 +139,7 @@ struct hb_buffer_t
 
   /* Methods */
 
-  bool in_error () const { return !successful; }
+  HB_NODISCARD bool in_error () const { return !successful; }
 
   void allocate_var (unsigned int start, unsigned int count)
   {