AS OF > TIMESTAMP_MAX_VALUE produces wrong result

--source include/have_innodb.inc

create or replace table t1 (

  x int primary key,

  sys_trx_start bigint(20) unsigned as row start invisible,

  sys_trx_end bigint(20) unsigned as row end invisible,

  period for system_time (sys_trx_start, sys_trx_end)

) with system versioning engine innodb;

create or replace table t2 (

  x int primary key,

  sys_trx_start timestamp(6) as row start invisible,

  sys_trx_end timestamp(6) as row end invisible,

  period for system_time (sys_trx_start, sys_trx_end)

) with system versioning engine innodb;

insert into t1 values (1);

insert into t2 values (1);

select * from t1 for system_time as of '2038-12-30 00:00:00';

select * from t2 for system_time as of '2038-12-30 00:00:00';

drop tables t1, t2;

select * from t1 for system_time as of '2038-12-30 00:00:00';

x

select * from t2 for system_time as of '2038-12-30 00:00:00';

x

select * from t1 for system_time as of '2038-12-30 00:00:00';

x

1

select * from t2 for system_time as of '2038-12-30 00:00:00';

x

1

    case SYSTEM_TIME_AS_OF:

     ...

      cond2= newx Item_func_gt(thd, conds->field_end, conds->start.item);