hb_atomic_int_add   57 third_party/harfbuzz-ng/src/hb-object-private.hh   inline int inc (void) { return hb_atomic_int_add (const_cast<hb_atomic_int_t &> (ref_count),  1); }
hb_atomic_int_add   58 third_party/harfbuzz-ng/src/hb-object-private.hh   inline int dec (void) { return hb_atomic_int_add (const_cast<hb_atomic_int_t &> (ref_count), -1); }