Comment 3 for bug 1264164

Crashing stack from SET query (one above is from UPDATE query), again from error log

/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(my_print_stacktrace+0x2e)[0x96905e]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(handle_fatal_signal+0x4a1)[0x6a64f1]
/lib64/libpthread.so.0[0x362fa0f500]
/lib64/libc.so.6(gsignal+0x35)[0x362f2328e5]
/lib64/libc.so.6(abort+0x175)[0x362f2340c5]
/lib64/libc.so.6[0x362f22ba0e]
/lib64/libc.so.6(__assert_perror_fail+0x0)[0x362f22bad0]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(Diagnostics_area::set_error_status(unsigned int, char const*, char const*, Sql_condition co
nst*)+0xfa)[0x708b5a]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(THD::raise_condition(unsigned int, char const*, Sql_condition::enum_warning_level, char con
st*)+0x2b6)[0x6f7096]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(my_message_sql+0xc0)[0x5ce030]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(my_error+0xfd)[0x9604ad]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(my_delete+0x13b)[0x9602ab]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(my_delete_with_symlink+0x56)[0x9660e6]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(mi_delete_table+0xf3)[0xc3b0a3]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(free_tmp_table(THD*, TABLE*)+0x1fd)[0x79262d]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(close_thread_tables(THD*)+0x134)[0x6d7f94]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(mysql_execute_command(THD*)+0x78c)[0x73112c]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(sp_instr_stmt::exec_core(THD*, unsigned int*)+0x60)[0x87de50]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(sp_lex_instr::reset_lex_and_exec_core(THD*, unsigned int*, bool)+0x264)[0x87f804]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(sp_lex_instr::validate_lex_and_execute_core(THD*, unsigned int*, bool)+0x9b)[0x8800bb]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(sp_instr_stmt::execute(THD*, unsigned int*)+0x270)[0x880580]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(sp_head::execute(THD*, bool)+0x71b)[0x6ae98b]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(sp_head::execute_procedure(THD*, List<Item>*)+0x7e6)[0x6af566]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(Event_job_data::execute(THD*, bool)+0x604)[0x7e9f84]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(Event_worker_thread::run(THD*, Event_queue_element_for_exec*)+0x20c)[0x8cdf4c]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(event_worker_thread+0x56)[0x8ce016]
/ssd/Percona-Server-5.6.14-rel62.0-508-debug.Linux.x86_64/bin/mysqld(pfs_spawn_thread+0x143)[0x9bbd73]
/lib64/libpthread.so.0[0x362fa07851]
/lib64/libc.so.6(clone+0x6d)[0x362f2e894d]