Update harfbuzz-ng to 0.9.17

third_party/harfbuzz-ng/src/hb-buffer-private.hh

 /*
  * Copyright © 1998-2004  David Turner and Werner Lemberg
  * Copyright © 2004,2007,2009,2010  Red Hat, Inc.
  * Copyright © 2011,2012  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
@@ skipping 62 matching lines @@
 
   inline hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; }
   inline hb_glyph_info_t cur (unsigned int i = 0) const { return info[idx + i]; }
 
   inline hb_glyph_position_t &cur_pos (unsigned int i = 0) { return pos[idx + i]; }
   inline hb_glyph_position_t cur_pos (unsigned int i = 0) const { return pos[idx + i]; }
 
   inline hb_glyph_info_t &prev (void) { return out_info[out_len - 1]; }
   inline hb_glyph_info_t prev (void) const { return info[out_len - 1]; }
 
+  inline bool has_separate_output (void) const { return info != out_info; }
+
   unsigned int serial;
 
   /* These reflect current allocations of the bytes in glyph_info_t's var1 and var2. */
   uint8_t allocated_var_bytes[8];
   const char *allocated_var_owner[8];
 
   /* Text before / after the main buffer contents.
    * Always in Unicode, and ordered outward.
    * Index 0 is for "pre-context", 1 for "post-context". */
   static const unsigned int CONTEXT_LENGTH = 5;
@@ skipping 98 matching lines @@
            sizeof (b->info[0].var), owner)
 #define HB_BUFFER_ALLOCATE_VAR(b, var) \
         HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var (), #var)
 #define HB_BUFFER_DEALLOCATE_VAR(b, var) \
         HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var (), #var)
 #define HB_BUFFER_ASSERT_VAR(b, var) \
         HB_BUFFER_XALLOCATE_VAR (b, assert_var, var (), #var)
 
 
 #endif /* HB_BUFFER_PRIVATE_HH */