server hangs on early shutdown if InnoDB needs to purge indexed virtual columns

source include/have_innodb.inc;

# need to restart server

source include/not_embedded.inc;

call mtr.add_suppression('SQL_ERROR_LOG');

call mtr.add_suppression('Failed to initialize plugins');

call mtr.add_suppression('Aborting');

if (!$SQL_ERRLOG_SO) {

  skip No SQL_ERROR_LOG plugin;

}

create table t1(a int primary key, b int as (100-a*a), index(b)) engine=innodb;

insert t1 (a) values(1),(2),(3);

start transaction;

select * from t1 order by a;

connect(con1, localhost, root);

delete from t1 where a=2;

flush tables;

connection default;

source include/kill_mysqld.inc;

echo # Failed restart;

error 1;

exec $MYSQLD_LAST_CMD --plugin-load-add=$SQL_ERRLOG_SO --sql-error-log=FORCE --sql-error-log-filename=$MYSQLTEST_VARDIR/nonexistent/nonexistent;

echo # Start the server;

source include/start_mysqld.inc;

select * from t1 order by a;

drop table t1;