external/harfbuzz/ubsan.patch

   1 --- src/hb-ot-layout-gsubgpos.hh
   2 +++ src/hb-ot-layout-gsubgpos.hh
   3 @@ -387,7 +387,7 @@
   4              skip == matcher_t::SKIP_NO))
   5         {
   6           num_items--;
   7 -         match_glyph_data++;
   8 +         if (match_glyph_data != nullptr) match_glyph_data++;
   9           return true;
  10         }
  11
  12 @@ -414,7 +414,7 @@
  13              skip == matcher_t::SKIP_NO))
  14         {
  15           num_items--;
  16 -         match_glyph_data++;
  17 +         if (match_glyph_data != nullptr) match_glyph_data++;
  18           return true;
  19         }
  20