Roll HarfBuzz to 1.1.1

third_party/harfbuzz-ng/src/hb-ot-shape-complex-hangul.cc

 /*
  * Copyright © 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
  * all copies of this software.
@@ skipping 170 matching lines @@
    * - <LV,T> we should compose if the whole thing can be composed, otherwise we should
    *   decompose.
    */
 
   buffer->clear_output ();
   unsigned int start = 0, end = 0; /* Extent of most recently seen syllable;
                                     * valid only if start < end
                                     */
   unsigned int count = buffer->len;
 
-  for (buffer->idx = 0; buffer->idx < count;)
+  for (buffer->idx = 0; buffer->idx < count && !buffer->in_error;)
   {
     hb_codepoint_t u = buffer->cur().codepoint;
 
     if (isHangulTone (u))
     {
       /*
        * We could cache the width of the tone marks and the existence of dotted-circle,
        * but the use of the Hangul tone mark characters seems to be rare enough that
        * I didn't bother for now.
        */
@@ skipping 202 matching lines @@
 
   HB_BUFFER_DEALLOCATE_VAR (buffer, hangul_shaping_feature);
 }
 
 
 const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
 {
   "hangul",
   collect_features_hangul,
   override_features_hangul,
-  data_create_hangul, /* data_create */
-  data_destroy_hangul, /* data_destroy */
+  data_create_hangul,
+  data_destroy_hangul,
   preprocess_text_hangul,
+  NULL, /* postprocess_glyphs */
   HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
   NULL, /* decompose */
   NULL, /* compose */
-  setup_masks_hangul, /* setup_masks */
+  setup_masks_hangul,
   HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
   false, /* fallback_position */
 };