crash in Item_func_left::val_str

Version: '11.0.0-preview-MariaDB'  socket: 's'  port: 3333  MariaDB Server

Thread 17 "mysqld" received signal SIGSEGV, Segmentation fault.

(gdb) bt

#0  String::charpos at ./sql/sql_string.h:1062

#1  Item_func_left::val_str at ./sql/item_strfunc.cc:1867

#2  in in_string::set at ./sql/item_cmpfunc.cc:3700

#3  in Item_func_in::fix_in_vector at ./sql/item_cmpfunc.cc:4514

#4  in Item_func_in::fix_for_scalar_comparison_using_bisection at ./sql/item_cmpfunc.h:2548

#5  in Type_handler_string_result::Item_func_in_fix_comparator_compatible_types at ./sql/sql_type.cc:5864

#6  in Item_func_in::fix_length_and_dec at ./sql/item_cmpfunc.cc:4480

#7  in Item_func::fix_fields at ./sql/item_func.cc:362

#8  in Item::fix_fields_if_needed at ./sql/item.h:1147

#9  in Item::fix_fields_if_needed_for_scalar at ./sql/item.h:1156

#10 in setup_fields at ./sql/sql_base.cc:7978

#11 in mysql_do at ./sql/sql_do.cc:32

#12 in mysql_execute_command at ./sql/sql_parse.cc:3978

#13 in mysql_parse at ./sql/sql_parse.cc:8000

#14 in dispatch_command at ./sql/sql_parse.cc:1894

#15 in do_command at ./sql/sql_parse.cc:1408

#16 in do_handle_one_connection at ./sql/sql_connect.cc:1416

#17 in handle_one_connection at ./sql/sql_connect.cc:1318

set @e:= current_timestamp ;

do cast(2 as char(14))

not in(

 left(weight_string(@e),

 version()),

 sha1(month(18446744073709551615))

);