CREATE_TIME column of INFORMATION_SCHEMA.TABLES does not always update for innodb tables

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Server version: 10.0.21-MariaDB mariadb.org binary distribution

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MariaDB [(none)]> create database xyz;

Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> use xyz

Database changed

MariaDB [xyz]> create table ct_test(id int);

Query OK, 0 rows affected (0.01 sec)

MariaDB [xyz]> select create_time from information_schema.tables

    -> where table_schema='xyz' and table_name='ct_test'\G

*************************** 1. row ***************************

create_time: 2015-10-13 17:36:57

1 row in set (0.00 sec)

MariaDB [xyz]> drop table ct_test;

Query OK, 0 rows affected (0.01 sec)

MariaDB [xyz]> select now()\g

+---------------------+

| now()               |

+---------------------+

| 2015-10-13 17:38:14 |

+---------------------+

1 row in set (0.00 sec)

MariaDB [xyz]> create table ct_test(id int);

Query OK, 0 rows affected (0.01 sec)

MariaDB [xyz]> select create_time from information_schema.tables

    -> where table_schema='xyz' and table_name='ct_test'\G

*************************** 1. row ***************************

create_time: 2015-10-13 17:38:32

1 row in set (0.00 sec)

MariaDB [xyz]> drop table ct_test;

Query OK, 0 rows affected (0.01 sec)

MariaDB [xyz]> select now()\G

*************************** 1. row ***************************

now(): 2015-10-13 17:39:24

1 row in set (0.00 sec)

MariaDB [xyz]> create table ct_test(id int);

Query OK, 0 rows affected (0.01 sec)

MariaDB [xyz]> select create_time from information_schema.tables

    -> where table_schema='xyz' and table_name='ct_test'\G

*************************** 1. row ***************************

create_time: 2015-10-13 17:38:32

1 row in set (0.00 sec)

MariaDB [xyz]>