1 https://github.com/kkos/oniguruma/issues/57
2 https://github.com/kkos/oniguruma/commit/690313a061f7a4fa614ec5cc8368b4f2284e059b
4 Author: K.Kosako <kosako@sofnec.co.jp>
11 case OP_EXACT1: MOP_IN(OP_EXACT1);
14 if (*p != *s) goto fail;
17 - if (*p != *s++) goto fail;