[Draft] Server crashes in optimize_keyuse

#3  <signal handler called>

#4  0x0000000000800c38 in optimize_keyuse (join=0x7f884c1d15a0, keyuse_array=0x7f884c1d1890) at /home/travis/src/sql/sql_select.cc:6407

#5  0x00000000009b7d8a in JOIN::add_keyuses_for_splitting (this=0x7f884c1d15a0) at /home/travis/src/sql/opt_split.cc:744

#6  0x00000000009b7ef7 in st_join_table::add_keyuses_for_splitting (this=0x7f884c22fbe8) at /home/travis/src/sql/opt_split.cc:771

#7  0x00000000007faf7b in make_join_statistics (join=0x7f884c1d9f88, tables_list=..., keyuse_array=0x7f884c1da278) at /home/travis/src/sql/sql_select.cc:4561

#8  0x00000000007f1e96 in JOIN::optimize_inner (this=0x7f884c1d9f88) at /home/travis/src/sql/sql_select.cc:1959

#9  0x00000000007f080f in JOIN::optimize (this=0x7f884c1d9f88) at /home/travis/src/sql/sql_select.cc:1544

#10 0x00000000007f9e8a in mysql_select (thd=0x7f884c000c70, tables=0x7f884c014c80, wild_num=0, fields=..., conds=0x7f884c016688, og_num=4, order=0x7f884c0168c8, group=0x0, having=0x0, proc_param=0x0, select_options=553245739776, result=0x7f884c1d9ee0, unit=0x7f884c004a00, select_lex=0x7f884c005158) at /home/travis/src/sql/sql_select.cc:4236

#11 0x00000000007ebfc0 in handle_select (thd=0x7f884c000c70, lex=0x7f884c004938, result=0x7f884c1d9ee0, setup_tables_done_option=1073741824) at /home/travis/src/sql/sql_select.cc:379

#12 0x00000000007b0a37 in mysql_execute_command (thd=0x7f884c000c70) at /home/travis/src/sql/sql_parse.cc:4808

#13 0x00000000007babb5 in mysql_parse (thd=0x7f884c000c70, rawbuf=0x7f884c013978 "REPLACE INTO view2 ( field1, field2, field3, field4 ) SELECT a1.field1 AS field1, a1.field2 AS field2, a1.field3 AS field3, a2.field4 AS field4 FROM view4 AS a1 JOIN view3 AS a2 USING ( field1 ) WHERE"..., length=319, parser_state=0x7f888916c470, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:7981

#14 0x00000000007a8160 in dispatch_command (command=COM_QUERY, thd=0x7f884c000c70, packet=0x7f884c00b1b1 "REPLACE INTO view2 ( field1, field2, field3, field4 ) SELECT a1.field1 AS field1, a1.field2 AS field2, a1.field3 AS field3, a2.field4 AS field4 FROM view4 AS a1 JOIN view3 AS a2 USING ( field1 ) WHERE"..., packet_length=320, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1826

#15 0x00000000007a6b87 in do_command (thd=0x7f884c000c70) at /home/travis/src/sql/sql_parse.cc:1370

#16 0x000000000090c38e in do_handle_one_connection (connect=0x34b6010) at /home/travis/src/sql/sql_connect.cc:1401

#17 0x000000000090c110 in handle_one_connection (arg=0x34b6010) at /home/travis/src/sql/sql_connect.cc:1307

#18 0x00007f88a169ee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0

#19 0x00007f88a0bba2ed in clone () from /lib/x86_64-linux-gnu/libc.so.6

Query (0x7f884c013978): REPLACE INTO view2 ( field1, field2, field3, field4 ) SELECT a1.field1 AS field1, a1.field2 AS field2, a1.field3 AS field3, a2.field4 AS field4 FROM view4 AS a1 JOIN view3 AS a2 USING ( field1 ) WHERE a1.field1 <=> NULL AND a2.field3 != 'death' ORDER BY field1, field2, field3, field4 LIMIT 6  /* QNO 42917 CON_ID 17 */

Connection ID (thread ID): 17

Status: NOT_KILLED

perl /home/travis/rqg/runall-new.pl --mysqld=--max-statement-time=30 --seed=1516360457 --threads=4 --duration=350 --reporters=Backtrace,ErrorLog,Deadlock --transformers=ExecuteAsIntersect,ExecuteAsExcept --validators=TransformerNoComparator --grammar=conf/optimizer/updateable_views.yy --mysqld=--init-file=$RQG_HOME/conf/optimizer/updateable_views.init --engine=Aria --mysqld=--default-storage-engine=Aria --basedir1=/home/travis/server --vardir=/home/travis/logs/vardir1_3