1 files changed, 3 insertions, 0 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh
index f3754aa6b8..b2e5d87a3c 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-var-avar-table.hh
@@ -273,6 +273,7 @@ struct avar
   {
     TRACE_SANITIZE (this);
     if (!(version.sanitize (c) &&
+	  hb_barrier () &&
 	  (version.major == 1
 #ifndef HB_NO_AVAR2
 	   || version.major == 2
@@ -293,6 +294,7 @@ struct avar
 #ifndef HB_NO_AVAR2
     if (version.major < 2)
       return_trace (true);
+    hb_barrier ();
 
     const auto &v2 = * (const avarV2Tail *) map;
     if (unlikely (!v2.sanitize (c, this)))
@@ -316,6 +318,7 @@ struct avar
 #ifndef HB_NO_AVAR2
     if (version.major < 2)
       return;
+    hb_barrier ();
 
     for (; count < axisCount; count++)
       map = &StructAfter<SegmentMaps> (*map);