OP_NULL_CHECK_END_MEMST  380 ext/mbstring/oniguruma/regcomp.c       r = add_opcode(reg, OP_NULL_CHECK_END_MEMST);
OP_NULL_CHECK_END_MEMST 5745 ext/mbstring/oniguruma/regcomp.c   { OP_NULL_CHECK_END_MEMST,"null-check-end-memst", ARG_MEMNUM  },
OP_NULL_CHECK_END_MEMST 2367 ext/mbstring/oniguruma/regexec.c     case OP_NULL_CHECK_END_MEMST:  MOP_IN(OP_NULL_CHECK_END_MEMST);