LP:598247 - partition.test produces valgrind errors in 5.3-based branches

partition.test produces valgrind errors in 5.3-based branches. There is no such failure in 5.2

worker[1] Using MTR_BUILD_THREAD 301, with reserved ports 13010..13019
main.partition [ fail ] Found warnings/errors in server log file!
Test ended at 2010-06-24 23:58:36
mysqltest: Logging to ''.
mysqltest: Results saved in ''.
mysqltest: Connecting to server localhost:13010 (socket /home/psergey/dev2/maria-5.3-subqueries-r12-vg/mysql-test/var/tmp/mysqld.1.sock) as 'root', connection 'default', attempt 0 ...
mysqltest: ... Connected.
mysqltest: Start processing test commands from './include/check-warnings.test' ...
line
==5946== Thread 9:
==5946== Conditional jump or move depends on uninitialised value(s)
==5946== at 0x82F304C: JOIN_CACHE::write_record_data(unsigned char*, bool*) (sql_join_cache.cc:1075)
==5946== by 0x82F36B2: JOIN_CACHE::put_record() (sql_join_cache.cc:1234)
==5946== by 0x8324E60: sub_select_cache(JOIN*, st_join_table*, bool) (sql_select.cc:12936)
==5946== by 0x83247AF: evaluate_join_record(JOIN*, st_join_table*, int) (sql_select.cc:13316)
==5946== by 0x8324B0B: sub_select(JOIN*, st_join_table*, bool) (sql_select.cc:13133)
==5946== by 0x8332859: do_select(JOIN*, List<Item>, st_table, Procedure*) (sql_select.cc:12680)
==5946== by 0x83468AA: JOIN::exec() (sql_select.cc:2201)
==5946== by 0x8340DC1: mysql_select(THD*, Item**, TABLE_LIST, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2396)
==5946== by 0x8346BDB: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:279)
==5946== by 0x82AB34F: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5133)
==5946== by 0x82AD549: mysql_execute_command(THD*) (sql_parse.cc:2318)
==5946== by 0x82B70D5: mysql_parse(THD*, char const*, unsigned int, char const**) (sql_parse.cc:6079)
==5946== by 0x82B7EB2: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1253)
==5946== by 0x82B945E: do_command(THD*) (sql_parse.cc:891)
==5946== by 0x82A344B: handle_one_connection (sql_connect.cc:1599)
==5946== by 0x406C4FE: start_thread (in /lib/tls/i686/cmov/libpthread-2.9.so)
==5946==
==5946== Conditional jump or move depends on uninitialised value(s)
==5946== at 0x82F249C: JOIN_CACHE::read_record_field(st_cache_field*, bool) (sql_join_cache.cc:1446)
==5946== by 0x82F2C26: JOIN_CACHE::read_all_record_fields() (sql_join_cache.cc:1384)
==5946== by 0x82F2D41: JOIN_CACHE::get_record() (sql_join_cache.cc:1276)
==5946== by 0x82F2392: JOIN_CACHE_BNL::join_matching_records(bool) (sql_join_cache.cc:1856)
==5946== by 0x82F065B: JOIN_CACHE::join_records(bool) (sql_join_cache.cc:1665)
==5946== by 0x8324D94: sub_select_cache(JOIN*, st_join_table*, bool) (sql_select.cc:12923)
==5946== by 0x8324974: sub_select(JOIN*, st_join_table*, bool) (sql_select.cc:13085)
==5946== by 0x8332882: do_select(JOIN*, List<Item>, st_table, Procedure*) (sql_select.cc:12682)
==5946== by 0x83468AA: JOIN::exec() (sql_select.cc:2201)
==5946== by 0x8340DC1: mysql_select(THD*, Item**, TABLE_LIST, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2396)
==5946== by 0x8346BDB: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:279)
==5946== by 0x82AB34F: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5133)
==5946== by 0x82AD549: mysql_execute_command(THD*) (sql_parse.cc:2318)
==5946== by 0x82B70D5: mysql_parse(THD*, char const*, unsigned int, char const**) (sql_parse.cc:6079)
==5946== by 0x82B7EB2: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1253)
==5946== by 0x82B945E: do_command(THD*) (sql_parse.cc:891)
==5946==
==5946== Conditional jump or move depends on uninitialised value(s)
==5946== at 0x82F249C: JOIN_CACHE::read_record_field(st_cache_field*, bool) (sql_join_cache.cc:1446)
==5946== by 0x82F2C26: JOIN_CACHE::read_all_record_fields() (sql_join_cache.cc:1384)
==5946== by 0x82F2C6E: JOIN_CACHE::get_record_by_pos(unsigned char*) (sql_join_cache.cc:1308)
==5946== by 0x82F0323: JOIN_CACHE::restore_last_record() (sql_join_cache.cc:1614)
==5946== by 0x82F0829: JOIN_CACHE::join_records(bool) (sql_join_cache.cc:1737)
==5946== by 0x8324D94: sub_select_cache(JOIN*, st_join_table*, bool) (sql_select.cc:12923)
==5946== by 0x8324974: sub_select(JOIN*, st_join_table*, bool) (sql_select.cc:13085)
==5946== by 0x8332882: do_select(JOIN*, List<Item>, st_table, Procedure*) (sql_select.cc:12682)
==5946== by 0x83468AA: JOIN::exec() (sql_select.cc:2201)
==5946== by 0x8340DC1: mysql_select(THD*, Item**, TABLE_LIST, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2396)
==5946== by 0x8346BDB: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:279)
==5946== by 0x82AB34F: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5133)
==5946== by 0x82AD549: mysql_execute_command(THD*) (sql_parse.cc:2318)
==5946== by 0x82B70D5: mysql_parse(THD*, char const*, unsigned int, char const**) (sql_parse.cc:6079)
==5946== by 0x82B7EB2: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1253)
==5946== by 0x82B945E: do_command(THD*) (sql_parse.cc:891)
^ Found warnings in /home/psergey/dev2/maria-5.3-subqueries-r12-vg/mysql-test/var/log/mysqld.1.err
mysqltest: ... Done processing test commands.
mysqltest: Test has succeeded!
ok

• saving '/home/psergey/dev2/maria-5.3-subqueries-r12-vg/mysql-test/var/log/main.partition/' to '/home/psergey/dev2/maria-5.3-subqueries-r12-vg/mysql-test/var/log/main.partition/'
  ------------------------------------------------------------
  The servers were restarted 0 times
  Spent 0.000 of 104 seconds executing testcases
  mysql-test-run: WARNING: Got errors/warnings while running tests, please examine '/home/psergey/dev2/maria-5.3-subqueries-r12-vg/mysql-test/var/log/warnings' for details.

Failed 1/1 tests, 0.00% were successful.

Failing test(s): main.partition

The log files in var/log may give you some hint of what went wrong.

If you want to report this error, please read first the documentation
at http://dev.mysql.com/doc/mysql/en/mysql-test-suite.html

mysql-test-run: *** ERROR: there were failing test cases
psergey@pslp2:~/dev2/maria-5.3-subqueries-r12-vg/mysql-test$