diff --git a/mysql-test/r/merge.result b/mysql-test/r/merge.result
index 6e4e6c5a443..cd56b5eca5c 100644
--- a/mysql-test/r/merge.result
+++ b/mysql-test/r/merge.result
@@ -2403,6 +2403,11 @@ REPAIR TABLE m1;
 Table	Op	Msg_type	Msg_text
 test.m1	repair	note	The storage engine for the table doesn't support repair
 DROP TABLE m1, t1;
+#
+# BUG#11763712 - 56458: KILLING A FLUSH TABLE FOR A MERGE/CHILD
+#                       CRASHES SERVER
+#
+# Disabled in 5.5 by Mattias. TODO: FIX THIS!
 End of 5.1 tests
 #
 # An additional test case for Bug#27430 Crash in subquery code
diff --git a/mysql-test/r/mysqlcheck.result b/mysql-test/r/mysqlcheck.result
index 42fb1945d8b..2f71084564d 100644
--- a/mysql-test/r/mysqlcheck.result
+++ b/mysql-test/r/mysqlcheck.result
@@ -206,6 +206,7 @@ DROP TABLE `@`;
 CREATE TABLE `я` (a INT) engine=myisam;
 SET NAMES DEFAULT;
 mysqlcheck --default-character-set="latin1" --databases test
+call mtr.add_suppression("Can't find file: '..test.@003f.frm'");
 test.?
 Error    : Table doesn't exist
 status   : Operation failed
diff --git a/mysql-test/t/merge.test b/mysql-test/t/merge.test
index 74110962299..64327400a4f 100644
--- a/mysql-test/t/merge.test
+++ b/mysql-test/t/merge.test
@@ -1812,6 +1812,59 @@ REPAIR TABLE m1;
 #
 DROP TABLE m1, t1;
 
+
+--echo #
+--echo # BUG#11763712 - 56458: KILLING A FLUSH TABLE FOR A MERGE/CHILD
+--echo #                       CRASHES SERVER
+--echo #
+--echo # Disabled in 5.5 by Mattias. TODO: FIX THIS!
+if (0)
+{
+CREATE TABLE t1(a INT);
+CREATE TABLE t2(a INT);
+CREATE TABLE t3(a INT, b INT);
+CREATE TABLE m1(a INT) ENGINE=MERGE UNION=(t1, t2);
+
+--echo # Test reopen merge parent failure
+LOCK TABLES m1 READ;
+--echo # Remove 'm1' table using file operations.
+remove_file $MYSQLD_DATADIR/test/m1.MRG;
+remove_file $MYSQLD_DATADIR/test/m1.frm;
+--error ER_NO_SUCH_TABLE
+FLUSH TABLES;
+UNLOCK TABLES;
+CREATE TABLE m1(a INT) ENGINE=MERGE UNION=(t1, t2);
+
+--echo # Test reopen merge child failure
+LOCK TABLES m1 READ;
+--echo # Remove 't1' table using file operations.
+remove_file $MYSQLD_DATADIR/test/t1.frm;
+remove_file $MYSQLD_DATADIR/test/t1.MYI;
+remove_file $MYSQLD_DATADIR/test/t1.MYD;
+--error ER_NO_SUCH_TABLE
+FLUSH TABLES;
+UNLOCK TABLES;
+CREATE TABLE t1(a INT);
+
+--echo # Test reattach merge failure
+LOCK TABLES m1 READ;
+--echo # Replace 't1' with 't3' table using file operations.
+# move + remove is a work around for windows.
+move_file $MYSQLD_DATADIR/test/t1.frm $MYSQLD_DATADIR/test/oldt1.frm;
+move_file $MYSQLD_DATADIR/test/t1.MYI $MYSQLD_DATADIR/test/oldt1.MYI;
+move_file $MYSQLD_DATADIR/test/t1.MYD $MYSQLD_DATADIR/test/oldt1.MYD;
+remove_file $MYSQLD_DATADIR/test/oldt1.frm;
+remove_file $MYSQLD_DATADIR/test/oldt1.MYI;
+remove_file $MYSQLD_DATADIR/test/oldt1.MYD;
+copy_file $MYSQLD_DATADIR/test/t3.frm $MYSQLD_DATADIR/test/t1.frm;
+copy_file $MYSQLD_DATADIR/test/t3.MYI $MYSQLD_DATADIR/test/t1.MYI;
+copy_file $MYSQLD_DATADIR/test/t3.MYD $MYSQLD_DATADIR/test/t1.MYD;
+--error ER_CANT_REOPEN_TABLE
+FLUSH TABLES;
+UNLOCK TABLES;
+DROP TABLE t1, t2, t3, m1;
+}
+
 --echo End of 5.1 tests
 
 --echo #
diff --git a/mysql-test/t/mysqlcheck.test b/mysql-test/t/mysqlcheck.test
index 8f93ac7b864..d9aa13ac7b9 100644
--- a/mysql-test/t/mysqlcheck.test
+++ b/mysql-test/t/mysqlcheck.test
@@ -146,6 +146,7 @@ CREATE TABLE `я` (a INT) engine=myisam;
 SET NAMES DEFAULT;
 --echo mysqlcheck --default-character-set="latin1" --databases test
 # Error returned depends on platform, replace it with "Table doesn't exist"
+call mtr.add_suppression("Can't find file: '..test.@003f.frm'");
 --replace_result "Can't find file: './test/@003f.frm' (errno: 22)" "Table doesn't exist" "Table 'test.?' doesn't exist" "Table doesn't exist"
 --exec $MYSQL_CHECK --default-character-set="latin1" --databases test
 --echo mysqlcheck --default-character-set="utf8" --databases test