From 68f172101c1228a7d669d71da1d0eeb96a10565e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 23 Oct 2018 22:19:09 -0700
Subject: [PATCH] [name] Fix cmp for invalid language

---
 src/hb-ot-name-table.hh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-ot-name-table.hh b/src/hb-ot-name-table.hh
index 14a8efab0..be9c5e365 100644
--- a/src/hb-ot-name-table.hh
+++ b/src/hb-ot-name-table.hh
@@ -120,6 +120,9 @@ _hb_ot_name_entry_cmp_key (const void *pa, const void *pb)
   if (a->name_id != b->name_id)
     return a->name_id < b->name_id ? -1 : +1;
 
+  if (a->language == b->language) return 0;
+  if (!a->language) return -1;
+  if (!b->language) return +1;
   return strcmp (hb_language_to_string (a->language),
 		 hb_language_to_string (b->language));
 }