[Draft] Server crashes in setup_fields

#3  <signal handler called>

#4  0x00005644a30f6217 in setup_fields (thd=0x7f5028000c70, ref_pointer_array=..., fields=..., mark_used_columns=MARK_COLUMNS_READ, sum_func_list=0x7f5028016378, pre_fix=0x7f50285986f0, allow_sum_func=true) at /home/travis/src/sql/sql_base.cc:7160

#5  0x00005644a31b1ac7 in JOIN::prepare (this=0x7f5028016058, tables_init=0x7f5028599708, wild_num=0, conds_init=0x7f5028015e28, og_num=0, order_init=0x0, skip_order_by=false, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x7f50285985b8, unit_arg=0x7f5028597e60) at /home/travis/src/sql/sql_select.cc:1233

#6  0x00005644a31bc84a in mysql_select (thd=0x7f5028000c70, tables=0x7f5028599708, wild_num=0, fields=..., conds=0x7f5028015e28, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=552172521984, result=0x7f502859a0c8, unit=0x7f5028597e60, select_lex=0x7f50285985b8) at /home/travis/src/sql/sql_select.cc:4236

#7  0x00005644a31ae986 in handle_select (thd=0x7f5028000c70, lex=0x7f5028597d98, result=0x7f502859a0c8, setup_tables_done_option=0) at /home/travis/src/sql/sql_select.cc:382

#8  0x00005644a3179b04 in execute_sqlcom_select (thd=0x7f5028000c70, all_tables=0x7f5028599708) at /home/travis/src/sql/sql_parse.cc:6535

#9  0x00005644a317012e in mysql_execute_command (thd=0x7f5028000c70) at /home/travis/src/sql/sql_parse.cc:3749

#10 0x00005644a319afc6 in Prepared_statement::execute (this=0x7f50284cd370, expanded_query=0x7f50802ca3d0, open_cursor=false) at /home/travis/src/sql/sql_prepare.cc:4682

#11 0x00005644a3199418 in Prepared_statement::execute_loop (this=0x7f50284cd370, expanded_query=0x7f50802ca3d0, open_cursor=false, packet=0x0, packet_end=0x0) at /home/travis/src/sql/sql_prepare.cc:4111

#12 0x00005644a3197083 in mysql_sql_stmt_execute (thd=0x7f5028000c70) at /home/travis/src/sql/sql_prepare.cc:3218

#13 0x00005644a3170173 in mysql_execute_command (thd=0x7f5028000c70) at /home/travis/src/sql/sql_parse.cc:3765

#14 0x00005644a317d425 in mysql_parse (thd=0x7f5028000c70, rawbuf=0x7f5028015c48 "EXECUTE prep_stmt_24589 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */ /* QNO 28618 CON_ID 15 */", length=89, parser_state=0x7f50802cb600, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:7991

#15 0x00005644a316abfd in dispatch_command (command=COM_QUERY, thd=0x7f5028000c70, packet=0x7f5028162871 "EXECUTE prep_stmt_24589 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */ /* QNO 28618 CON_ID 15 */ ", packet_length=90, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1825

#16 0x00005644a316963d in do_command (thd=0x7f5028000c70) at /home/travis/src/sql/sql_parse.cc:1370

#17 0x00005644a32d1f50 in do_handle_one_connection (connect=0x5644a791c6b0) at /home/travis/src/sql/sql_connect.cc:1420

#18 0x00005644a32d1cdd in handle_one_connection (arg=0x5644a791c6b0) at /home/travis/src/sql/sql_connect.cc:1326

#19 0x00007f50827d6184 in start_thread (arg=0x7f50802cc700) at pthread_create.c:312

#20 0x00007f5081ce2ffd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Query (0x7f5028015d80): SELECT * from t4 WHERE sys_trx_start = @trx /* QNO 28570 CON_ID 15 */

Connection ID (thread ID): 15

Status: NOT_KILLED

perl /home/travis/rqg/runall-new.pl --duration=350 --threads=6 --seed=1515371682 --reporters=Backtrace,ErrorLog,Deadlock --validators=TransformerNoComparator --transformers=ConvertSubqueriesToViews,ConvertTablesToDerived,Count,DisableOptimizations,Distinct,EnableOptimizations,ExecuteAsCTE,ExecuteAsDeleteReturning,ExecuteAsDerived,ExecuteAsExcept,ExecuteAsExecuteImmediate,ExecuteAsInsertSelect,ExecuteAsIntersect,ExecuteAsSelectItem,ExecuteAsUnion,ExecuteAsUpdateDelete,ExecuteAsView,ExecuteAsWhereSubquery,Having,InlineSubqueries,InlineVirtualColumns,LimitRowsExamined,OrderBy,StraightJoin,ExecuteAsPreparedTwice,ExecuteAsTrigger,ExecuteAsSPTwice,ExecuteAsFunctionTwice --redefine=conf/mariadb/general-workarounds.yy --mysqld=--log_output=FILE --mysqld=--log_bin_trust_function_creators=1 --mysqld=--log-bin --mysqld=--max-statement-time=30 --mysqld=--loose-debug_assert_on_not_freed_memory=0 --views --redefine=conf/mariadb/versioning.yy --basedir=/home/travis/server --grammar=conf/mariadb/optimizer.yy --gendata-advanced --skip-gendata --engine=Aria --mysqld=--default-storage-engine=Aria --vardir=/home/travis/logs/vardir1_4