Incorrect DEFAULT expression evaluated in UPDATE

CURRENT_TEST: main.function_defaults

--- /mariadb/11.1/mysql-test/main/function_defaults.result	2024-01-10 12:45:29.965451779 +0200

+++ /mariadb/11.1/mysql-test/main/function_defaults.reject	2024-03-28 11:56:47.820191010 +0200

@@ -3141,7 +3141,7 @@

 update t1 set b=default, c=default(b) where a=1;

 select * from t1;

 a	b	c

-1	2010-10-10 10:10:10	2010-10-10 10:10:10

+1	2010-10-10 10:10:10	x

 2	2010-10-10 10:10:10	x

 drop table t1;

 set timestamp=default;

Thread 2 hit Breakpoint 2, make_default_field (thd=thd@entry=0x7f3748000d58, field_arg=0x7f37481fbb18) at /mariadb/11.1/sql/item.cc:5133

5133	{

2: *field_arg = {<Value_source> = {<No data fields>}, _vptr.Field = 0x55c3f296d730 <vtable for Field_varstring+16>, ptr = 0x7f37481fb871 "\001x", null_ptr = 0x7f37481fb868 <incomplete sequence \371>, 

  table = 0x7f37481fb428, orig_table = 0x7f37481fb428, table_name = 0x7f37481fb538, field_name = {str = 0x7f374820880d "c", length = 1}, comment = {str = 0x55c3f1823d83 "", length = 0}, option_list = 0x0, 

  option_struct = 0x0, key_start = {buffer = {0}}, part_of_key = {buffer = {0}}, part_of_key_not_clustered = {buffer = {0}}, part_of_sortkey = {buffer = {0}}, unireg_check = Field::NONE, invisible = VISIBLE, 

  field_length = 100, flags = 0, field_index = 2, null_bit = 4 '\004', is_created_from_null_item = false, cond_selectivity = 1, next_equal_field = 0x0, read_stats = 0x7f37481b2aa0, collected_stats = 0x0, 

  vcol_info = 0x0, check_constraint = 0x0, default_value = 0x0}

(rr) bt

#0  make_default_field (thd=thd@entry=0x7f3748000d58, field_arg=0x7f37481fbb18) at /mariadb/11.1/sql/item.cc:5133

#1  0x000055c3f207ea76 in Item_default_value::tie_field (this=0x7f37480151a0, thd=0x7f3748000d58) at /mariadb/11.1/sql/item.cc:9986

#2  0x000055c3f207ebb7 in Item_default_value::associate_with_target_field (this=<optimized out>, thd=<optimized out>, field=<optimized out>) at /mariadb/11.1/sql/item.cc:9935

#3  0x000055c3f239f041 in multi_update::prepare (this=0x7f3748015730, not_used_values=<optimized out>, lex_unit=<optimized out>) at /mariadb/11.1/sql/sql_update.cc:1874

#4  0x000055c3f23192a4 in JOIN::prepare (this=this@entry=0x7f3748015840, tables_init=tables_init@entry=0x7f37480145b0, conds_init=<optimized out>, og_num=<optimized out>, order_init=<optimized out>, 

    skip_order_by=skip_order_by@entry=false, group_init=<optimized out>, having_init=<optimized out>, proc_param_init=<optimized out>, select_lex_arg=<optimized out>, unit_arg=<optimized out>)

    at /mariadb/11.1/sql/sql_select.cc:1832

#5  0x000055c3f23a212d in Sql_cmd_update::prepare_inner (this=0x7f37480152f0, thd=0x7f3748000d58) at /mariadb/11.1/sql/sql_update.cc:3010

#6  0x000055c3f22fa889 in Sql_cmd_dml::prepare (this=0x7f37480152f0, thd=0x7f3748000d58) at /mariadb/11.1/sql/sql_select.cc:33600

#7  0x000055c3f22fbf20 in Sql_cmd_dml::execute (this=0x7f37480152f0, thd=0x7f3748000d58) at /mariadb/11.1/sql/sql_select.cc:33653

#8  0x000055c3f22bf2a1 in mysql_execute_command (thd=thd@entry=0x7f3748000d58, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /mariadb/11.1/sql/sql_parse.cc:4424

#9  0x000055c3f22c3b45 in mysql_parse (thd=thd@entry=0x7f3748000d58, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x7f376854c250) at /mariadb/11.1/sql/sql_parse.cc:7871

#10 0x000055c3f22c52ff in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7f3748000d58, packet=packet@entry=0x7f3748095059 "update t1 set b=default, c=default(b) where a=1", 

    packet_length=packet_length@entry=47, blocking=blocking@entry=true) at /mariadb/11.1/sql/sql_parse.cc:1892

#11 0x000055c3f22c66c9 in do_command (thd=0x7f3748000d58, blocking=blocking@entry=true) at /mariadb/11.1/sql/sql_parse.cc:1405

#12 0x000055c3f23f4588 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55c3f41debd8, put_in_cache=put_in_cache@entry=true) at /mariadb/11.1/sql/sql_connect.cc:1415

#13 0x000055c3f23f47af in handle_one_connection (arg=0x55c3f41debd8) at /mariadb/11.1/sql/sql_connect.cc:1317

#14 0x00007f3768ea645c in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:444

#15 0x00007f3768f26ae0 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100