ANALYZE FORMAT=JSON doesn't show expression cache for IN subqueries

create table t1 (a int, b int, c int);

insert into t1 select seq,seq,seq from seq_1_to_10;

create table t2 (a int, b int, c int);

insert into t2 select seq,seq,seq from seq_1_to_10;

insert into t2 select seq,seq,seq from seq_1_to_10;

insert into t2 select seq,seq,seq from seq_1_to_10;

insert into t2 select seq,seq,seq from seq_1_to_10;

insert into t2 select seq,seq,seq from seq_1_to_10;

insert into t1 values (),();

insert into t1 values (),();

analyze format=json select a in (select a from t2) from t1;

{

  "query_block": {

    "select_id": 1,

    "r_loops": 1,

    "r_total_time_ms": 6515166.843,

    "table": {

      "table_name": "t1",

      "access_type": "ALL",

      "r_loops": 1,

      "rows": 14,

      "r_rows": 14,

      "r_table_time_ms": 0.421506134,

      "r_other_time_ms": 6515162.901,

      "filtered": 100,

      "r_filtered": 100

    },

    "subqueries": [

      {

        "materialization": {

          "r_strategy": "partial_match_scan",

          "r_loops": 11,

          "r_index_lookup_loops": 10,

          "r_partial_match_loops": 1,

          "query_block": {

            "select_id": 2,

            "r_loops": 1,

            "r_total_time_ms": 3.349656134,

            "table": {

              "table_name": "t2",

              "access_type": "ALL",

              "r_loops": 1,

              "rows": 50,

              "r_rows": 50,

              "r_table_time_ms": 2.853555948,

              "r_other_time_ms": 0.474497955,

              "filtered": 100,

              "r_filtered": 100

            }

          }

        }

      }

    ]

  }

}

(gdb) wher

  #0  Expression_cache_tmptable::check_value (this=0x7fff14078448, value=0x7ffff4074c78) at /home/psergey/dev-git2/10.5-review-34041-orig/sql/              sql_expression_cache.cc:219

  #1  0x000055555626bcdc in Item_cache_wrapper::check_cache (this=0x7fff140782c0) at /home/psergey/dev-git2/10.5-review-34041-orig/sql/item.cc:8970

  #2  0x000055555626bf37 in Item_cache_wrapper::val_int (this=0x7fff140782c0) at /home/psergey/dev-git2/10.5-review-34041-orig/sql/item.cc:9033

  #3  0x000055555611f6e3 in Type_handler::Item_send_long (this=0x555557aaf120 <type_handler_bool>, item=0x7fff140782c0, protocol=0x55555e53f600,            buf=0x7ffff4074e60) at /home/psergey/dev-git2/10.5-review-34041-orig/sql/sql_type.cc:7598

  #4  0x000055555612cb18 in Type_handler_long::Item_send (this=0x555557aaf120 <type_handler_bool>, item=0x7fff140782c0, protocol=0x55555e53f600,            buf=0x7ffff4074e60) at /home/psergey/dev-git2/10.5-review-34041-orig/sql/sql_type.h:5735

  #5  0x0000555555d72e86 in Item::send (this=0x7fff140782c0, protocol=0x55555e53f600, buffer=0x7ffff4074e60) at /home/psergey/dev-git2/10.5-review-34041-   orig/sql/item.h:1082

  #6  0x000055555626b9a4 in Item_cache_wrapper::send (this=0x7fff140782c0, protocol=0x55555e53f600, buffer=0x7ffff4074e60) at /home/psergey/dev-git2/10.5-  review-34041-orig/sql/item.cc:8891

  #7  0x0000555555d6c5b3 in Protocol::send_result_set_row (this=0x55555e53f600, row_items=0x7fff14016698) at /home/psergey/dev-git2/10.5-review-34041-orig/ sql/protocol.cc:1086

  #8  0x0000555555e2b033 in select_send::send_data (this=0x7fff14019468, items=@0x7fff14016698: {<base_list> = {<Sql_alloc> = {<No data fields>}, first =   0x7fff14018390, last = 0x7fff14018390, elements = 1}, <No data fields>}) at /home/psergey/dev-git2/10.5-review-34041-orig/sql/sql_class.cc:3160

  #9  0x0000555555f4cde5 in select_result_sink::send_data_with_check (this=0x7fff14019468, items=@0x7fff14016698: {<base_list> = {<Sql_alloc> = {<No data   fields>}, first = 0x7fff14018390, last = 0x7fff14018390, elements = 1}, <No data fields>}, u=0x7fff14004f28, sent=0) at /home/psergey/dev-git2/10.5-review- 34041-orig/sql/sql_class.h:5564

analyze format=json select a > (select max(a) from t2 where t2.c<=t1.c) from t1;

...

    "subqueries": [

      {

        "expression_cache": {

          "r_loops": 10,

          "r_hit_ratio": 0,

          "query_block": {

            "select_id": 2,

            "r_loops": 10,