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src/hb-map.hh

@@ -100,6 +100,9 @@ struct hb_hashmap_t
 
   void reset ()
   {
+    if (unlikely (hb_object_is_immutable (this)))
+      return;
+    successful = true;
     clear ();
   }
 
@@ -185,6 +188,8 @@ struct hb_hashmap_t
 
   void clear ()
   {
+    if (unlikely (hb_object_is_immutable (this)))
+      return;
     if (items)
       + hb_iter (items, mask + 1)
       | hb_apply ([] (item_t &_) { _.clear (); }) /* TODO make pointer-to-methods invokable. */

src/hb-set.hh

@@ -227,11 +227,18 @@ struct hb_set_t
     return true;
   }
 
+  void reset ()
+  {
+    if (unlikely (hb_object_is_immutable (this)))
+      return;
+    clear ();
+    successful = true;
+  }
+
   void clear ()
   {
     if (unlikely (hb_object_is_immutable (this)))
       return;
-    successful = true;
     population = 0;
     page_map.resize (0);
     pages.resize (0);

src/hb-vector.hh

@@ -100,11 +100,11 @@ struct hb_vector_t
     return *this;
   }
 
-  hb_bytes_t as_bytes () const { return hb_bytes_t ((const char *) arrayZ_,
-						    length * item_size); }
+  hb_bytes_t as_bytes () const
+  { return hb_bytes_t ((const char *) arrayZ(), length * item_size); }
 
-  bool operator == (const hb_vector_t &o) const { return as_bytes () == o.as_bytes (); }
-  uint32_t hash () const { return as_bytes ().hash (); }
+  bool operator == (const hb_vector_t &o) const { return as_array () == o.as_array (); }
+  uint32_t hash () const { return as_array ().hash (); }
 
   const Type * arrayZ () const { return arrayZ_; }
         Type * arrayZ ()       { return arrayZ_; }