rb_memsearch_qs_utf8_hash  199 re.c           	qstable[rb_memsearch_qs_utf8_hash(x)] = xe - x;
rb_memsearch_qs_utf8_hash  202 re.c               for (; y + m <= ys + n; y += qstable[rb_memsearch_qs_utf8_hash(y+m)]) {