1 files changed, 19 insertions, 15 deletions

diff --git a/thirdparty/harfbuzz/src/hb-multimap.hh b/thirdparty/harfbuzz/src/hb-multimap.hh
index b4a8cc62a3..0184279c12 100644
--- a/thirdparty/harfbuzz/src/hb-multimap.hh
+++ b/thirdparty/harfbuzz/src/hb-multimap.hh
@@ -38,10 +38,10 @@ struct hb_multimap_t
 {
   void add (hb_codepoint_t k, hb_codepoint_t v)
   {
-    hb_codepoint_t *i;
-    if (multiples_indices.has (k, &i))
+    hb_vector_t<hb_codepoint_t> *m;
+    if (multiples.has (k, &m))
     {
-      multiples_values[*i].push (v);
+      m->push (v);
       return;
     }
 
@@ -51,12 +51,7 @@ struct hb_multimap_t
       hb_codepoint_t old = *old_v;
       singulars.del (k);
 
-      multiples_indices.set (k, multiples_values.length);
-      auto *vec = multiples_values.push ();
-
-      vec->push (old);
-      vec->push (v);
-
+      multiples.set (k, hb_vector_t<hb_codepoint_t> {old, v});
       return;
     }
 
@@ -69,22 +64,31 @@ struct hb_multimap_t
     if (singulars.has (k, &v))
       return hb_array (v, 1);
 
-    hb_codepoint_t *i;
-    if (multiples_indices.has (k, &i))
-      return multiples_values[*i].as_array ();
+    hb_vector_t<hb_codepoint_t> *m;
+    if (multiples.has (k, &m))
+      return m->as_array ();
 
     return hb_array_t<const hb_codepoint_t> ();
   }
 
   bool in_error () const
   {
-    return singulars.in_error () || multiples_indices.in_error () || multiples_values.in_error ();
+    if (singulars.in_error () || multiples.in_error ())
+      return true;
+    for (const auto &m : multiples.values_ref ())
+      if (m.in_error ())
+        return true;
+    return false;
+  }
+
+  void alloc (unsigned size)
+  {
+    singulars.alloc (size);
   }
 
   protected:
   hb_map_t singulars;
-  hb_map_t multiples_indices;
-  hb_vector_t<hb_vector_t<hb_codepoint_t>> multiples_values;
+  hb_hashmap_t<hb_codepoint_t, hb_vector_t<hb_codepoint_t>> multiples;
 };