Roll HarfBuzz to 0.9.35

third_party/harfbuzz-ng/src/hb-ot-layout-gpos-table.hh

 /*
  * Copyright © 2007,2008,2009,2010  Red Hat, Inc.
  * Copyright © 2010,2012,2013  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 1571 matching lines @@
   buffer->clear_positions ();
 
   unsigned int count = buffer->len;
   for (unsigned int i = 0; i < count; i++)
     buffer->pos[i].attach_lookback() = buffer->pos[i].cursive_chain() = 0;
 }
 
 void
 GPOS::position_finish (hb_font_t *font HB_UNUSED, hb_buffer_t *buffer)
 {
+  _hb_buffer_assert_gsubgpos_vars (buffer);
+
   unsigned int len;
   hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, &len);
   hb_direction_t direction = buffer->props.direction;
 
   /* Handle cursive connections */
   for (unsigned int i = 0; i < len; i++)
     fix_cursive_minor_offset (pos, i, direction);
 
   /* Handle attachments */
   for (unsigned int i = 0; i < len; i++)
     fix_mark_attachment (pos, i, direction);
-
-  _hb_buffer_deallocate_gsubgpos_vars (buffer);
 }
 
 
 /* Out-of-class implementation for methods recursing */
 
 template <typename context_t>
 /*static*/ inline typename context_t::return_t PosLookup::dispatch_recurse_func (context_t *c, unsigned int lookup_index)
 {
   const GPOS &gpos = *(hb_ot_layout_from_face (c->face)->gpos);
   const PosLookup &l = gpos.get_lookup (lookup_index);
@@ skipping 13 matching lines @@
 
 
 #undef attach_lookback
 #undef cursive_chain
 
 
 } /* namespace OT */
 
 
 #endif /* HB_OT_LAYOUT_GPOS_TABLE_HH */