Server crashes in add_identifier on concurrent ALTER TABLE and SHOW ENGINE INNODB STATUS

Description

Also filed for percona-server as https://bugs.launchpad.net/percona-server/+bug/1017192

Also reproducible on 5.5.25 release binaries. Could not reproduce on 5.5.24 or on 5.3.

MTR test case:

If the MTR test case does not work, try the RQG grammar:

Run it as

Environment

None

Assignee

Sergei Golubchik

Reporter

Elena Stepanova

Labels

Fix versions

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