Roll HarfBuzz to 1.2.6

third_party/harfbuzz-ng/src/hb-ot-map.cc

 /*
  * Copyright © 2009,2010  Red Hat, Inc.
  * Copyright © 2010,2011,2013  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
@@ skipping 186 matching lines @@
 
     if (!info->max_value || next_bit + bits_needed > 8 * sizeof (hb_mask_t))
       continue; /* Feature disabled, or not enough bits. */
 
 
     hb_bool_t found = false;
     unsigned int feature_index[2];
     for (unsigned int table_index = 0; table_index < 2; table_index++)
     {
       if (required_feature_tag[table_index] == info->tag)
-      {
         required_feature_stage[table_index] = info->stage[table_index];
-        found = true;
-        continue;
-      }
+
       found |= hb_ot_layout_language_find_feature (face,
                                                    table_tags[table_index],
                                                    script_index[table_index],
                                                    language_index[table_index],
                                                    info->tag,
                                                    &feature_index[table_index]);
     }
     if (!found && (info->flags & F_GLOBAL_SEARCH))
     {
       for (unsigned int table_index = 0; table_index < 2; table_index++)
@@ skipping 84 matching lines @@
         if (likely (stage_map)) {
           stage_map->last_lookup = last_num_lookups;
           stage_map->pause_func = stages[table_index][stage_index].pause_func;
         }
 
         stage_index++;
       }
     }
   }
 }