server crash when query_cache_type is changed

CREATE TABLE t1 (

  `id` int(10) NOT NULL AUTO_INCREMENT,

  `k` int(10) NOT NULL default '0',

  PRIMARY KEY (`id`)) 

ENGINE=MyISAM;

INSERT IGNORE INTO t1 VALUES

  (NULL,1),(NULL,8),(NULL,NULL),(NULL,NULL),(NULL,4),(NULL,9),(NULL,7),

  (NULL,3),(NULL,NULL),(NULL,2),(NULL,3),(NULL,NULL),(NULL,2),(NULL,7), 

  (NULL,1),(NULL,2),(NULL,4),(NULL,NULL),(NULL,1),(NULL,1),(NULL,4);

SET GLOBAL query_cache_size= 1024*1024;

SET GLOBAL query_cache_type= 1;

--connect (con1,localhost,root,,test)

--send

	SELECT DISTINCT id FROM t1 WHERE id BETWEEN 5603 AND 16218 ORDER BY k;

--connection default

SET GLOBAL query_cache_type= 0;

--connection con1

--reap

# Cleanup

--disconnect con1

--connection default

DROP TABLE t1;

SEt GLOBAL query_cache_size= DEFAULT;

SEt GLOBAL query_cache_type= DEFAULT;

5.5 1ada4afb0a51f7283b6187a95019ec2cb80c8a0b

Thread 1 (Thread 0x7feb86778700 (LWP 21990)):

#0  __pthread_kill (threadid=<optimized out>, signo=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:62

#1  0x0000000000ce27b9 in my_write_core (sig=11) at /home/alice/git/5.5/mysys/stacktrace.c:457

#2  0x00000000007c7b14 in handle_fatal_signal (sig=11) at /home/alice/git/5.5/sql/signal_handler.cc:262

#3  <signal handler called>

#4  0x00000000005b9b0c in inline_mysql_rwlock_unlock (that=0x7fec6dfebcd0) at /home/alice/git/5.5/include/mysql/psi/mysql_thread.h:913

#5  0x00000000005c804b in Query_cache_query::unlock_writing (this=0x7fec6dfebcc8) at /home/alice/git/5.5/sql/sql_cache.cc:944

#6  0x00000000005bccd5 in Query_cache::store_query (this=0x15878e0 <query_cache>, thd=0x291a890, tables_used=0x7feb70004f90) at /home/alice/git/5.5/sql/sql_cache.cc:1566

#7  0x000000000060f41b in execute_sqlcom_select (thd=0x291a890, all_tables=0x7feb70004f90) at /home/alice/git/5.5/sql/sql_parse.cc:4677

#8  0x000000000060815c in mysql_execute_command (thd=0x291a890) at /home/alice/git/5.5/sql/sql_parse.cc:2224

#9  0x0000000000612268 in mysql_parse (thd=0x291a890, rawbuf=0x7feb70004d38 "SELECT DISTINCT id FROM t1 WHERE id BETWEEN 5603 AND 16218 ORDER BY k", length=69, parser_state=0x7feb867776b0) at /home/alice/git/5.5/sql/sql_parse.cc:5923

#10 0x00000000006055ff in dispatch_command (command=COM_QUERY, thd=0x291a890, packet=0x2920ce1 "SELECT DISTINCT id FROM t1 WHERE id BETWEEN 5603 AND 16218 ORDER BY k", packet_length=69) at /home/alice/git/5.5/sql/sql_parse.cc:1066

#11 0x00000000006047be in do_command (thd=0x291a890) at /home/alice/git/5.5/sql/sql_parse.cc:793

#12 0x0000000000713eee in do_handle_one_connection (thd_arg=0x291a890) at /home/alice/git/5.5/sql/sql_connect.cc:1268

#13 0x0000000000713c66 in handle_one_connection (arg=0x291a890) at /home/alice/git/5.5/sql/sql_connect.cc:1184

#14 0x0000000000c8f24e in pfs_spawn_thread (arg=0x28ddcd0) at /home/alice/git/5.5/storage/perfschema/pfs.cc:1015

#15 0x00007feb8a3096ba in start_thread (arg=0x7feb86778700) at pthread_create.c:333

#16 0x00007feb899b441d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109