Roll HarfBuzz to 0.9.32

third_party/harfbuzz-ng/src/hb-ot-shape-complex-arabic-fallback.hh

 /*
  * Copyright © 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
  * above copyright notice and the following two paragraphs appear in
  * all copies of this software.
@@ skipping 53 matching lines @@
   /* Populate arrays */
   for (hb_codepoint_t u = SHAPING_TABLE_FIRST; u < SHAPING_TABLE_LAST + 1; u++)
   {
     hb_codepoint_t s = shaping_table[u - SHAPING_TABLE_FIRST][feature_index];
     hb_codepoint_t u_glyph, s_glyph;
 
     if (!s ||
         !hb_font_get_glyph (font, u, 0, &u_glyph) ||
         !hb_font_get_glyph (font, s, 0, &s_glyph) ||
         u_glyph == s_glyph ||
-        u_glyph > 0xFFFF || s_glyph > 0xFFFF)
+        u_glyph > 0xFFFFu || s_glyph > 0xFFFFu)
       continue;
 
     glyphs[num_glyphs].set (u_glyph);
     substitutes[num_glyphs].set (s_glyph);
 
     num_glyphs++;
   }
 
   /* Bubble-sort!
    * May not be good-enough for presidential candidate interviews, but good-enough for us... */
@@ skipping 166 matching lines @@
     if (fallback_plan->lookup_array[i]) {
       c.set_lookup_mask (fallback_plan->mask_array[i]);
       hb_ot_layout_substitute_lookup (&c,
                                       *fallback_plan->lookup_array[i],
                                       fallback_plan->accel_array[i]);
     }
 }
 
 
 #endif /* HB_OT_SHAPE_COMPLEX_ARABIC_FALLBACK_HH */