1 files changed, 7 insertions, 6 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh
index a2d807cc32..59cca40aad 100644
--- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh
+++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh
@@ -27,6 +27,7 @@ struct LigatureArray : List16OfOffset16To<LigatureAttach>
     auto *out = c->serializer->start_embed (this);
     if (unlikely (!c->serializer->extend_min (out)))  return_trace (false);
 
+    bool ret = false;
     for (const auto _ : + hb_zip (coverage, *this)
                   | hb_filter (glyphset, hb_first))
     {
@@ -38,13 +39,13 @@ struct LigatureArray : List16OfOffset16To<LigatureAttach>
           + hb_range (src.rows * class_count)
           | hb_filter ([=] (unsigned index) { return klass_mapping->has (index % class_count); })
           ;
-      matrix->serialize_subset (c,
-                                _.second,
-                                this,
-                                src.rows,
-                                indexes);
+      ret |= matrix->serialize_subset (c,
+				       _.second,
+				       this,
+				       src.rows,
+				       indexes);
     }
-    return_trace (this->len);
+    return_trace (ret);
   }
 };