FK actions are ignored after tc_purge and COMMIT

--mariadbd=--innodb_evict_tables_on_commit_debug

--source include/have_debug_sync.inc

--source include/have_innodb.inc

create table t1 (a int, key(a), b int) engine=innodb;

create table t2 (a int key references t1(a), b int) engine=innodb;

insert t1 values (1, 1);

insert t2 values (1, 1);

set autocommit =0;

--connect purge, localhost, root

BACKUP STAGE start;

--connection default

begin;

update t1 set b = b + 1;

# Commenting this makes the test pass

update t2 set b = b + 1;

--connect bug, localhost, root

set debug_sync="open_tables_after_open_and_process_table signal open wait_for go";

send

update t1 set a = a + 1;

--connection purge

BACKUP STAGE block_commit;

BACKUP STAGE END;

--connection default

set debug_sync="now wait_for open";

commit;

set debug_sync="now signal go";

--connection bug

--error ER_ROW_IS_REFERENCED_2

reap;

--connection default

# Cleanup

set debug_sync= reset;

drop table t2, t1;

mysqltest: At line 36: query 'reap' succeeded - should have failed with error ER_ROW_IS_REFERENCED_2 (1451)...