diff --git a/mysql-test/r/innodb_unsafe_binlog.result b/mysql-test/r/innodb_unsafe_binlog.result
new file mode 100644
index 00000000000..4a4f0e0fae5
--- /dev/null
+++ b/mysql-test/r/innodb_unsafe_binlog.result
@@ -0,0 +1,48 @@
+drop table if exists t1,t2;
+create table t1 (id int not null, f_id int not null, f int not null,
+primary key(f_id, id)) engine=innodb;
+create table t2 (id int not null,s_id int not null,s varchar(200),
+primary key(id)) engine=innodb;
+INSERT INTO t1 VALUES (8, 1, 3);
+INSERT INTO t1 VALUES (1, 2, 1);
+INSERT INTO t2 VALUES (1, 0, '');
+INSERT INTO t2 VALUES (8, 1, '');
+commit;
+DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id)
+WHERE mm.id IS NULL;
+select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id)
+where mm.id is null lock in share mode;
+id	f_id	f
+drop table t1,t2;
+create table t1 (id int not null, f_id int not null, f int not null,
+primary key(id),key(f_id)) engine=innodb;
+create table t2 (id int not null,s_id int not null,s varchar(200),
+primary key(id),key(s_id)) engine=innodb;
+INSERT INTO t1 VALUES (8, 1, 3);
+INSERT INTO t1 VALUES (1, 2, 1);
+INSERT INTO t2 VALUES (1, 0, '');
+INSERT INTO t2 VALUES (8, 1, '');
+commit;
+delete ml.* from t1 as ml left join t2 as mm on (mm.s_id=ml.f_id) where mm.s is null;
+select ml.* from t1 as ml left join t2 as mm on (mm.s_id=ml.f_id) where mm.s is null lock in share mode;
+id	f_id	f
+drop table t1,t2;
+create table t1(a int not null, b int, primary key(a)) engine=innodb;
+insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2);
+commit;
+set autocommit = 0;
+select * from t1 lock in share mode;
+a	b
+1	1
+2	2
+3	1
+4	2
+5	1
+6	2
+update t1 set b = 5 where b = 1;
+set autocommit = 0;
+select * from t1 where a = 2 and b = 2 for update;
+ERROR HY000: Lock wait timeout exceeded; try restarting transaction
+commit;
+commit;
+drop table t1;
diff --git a/mysql-test/t/innodb_unsafe_binlog-master.opt b/mysql-test/t/innodb_unsafe_binlog-master.opt
new file mode 100644
index 00000000000..503c8457b2c
--- /dev/null
+++ b/mysql-test/t/innodb_unsafe_binlog-master.opt
@@ -0,0 +1 @@
+--innodb_locks_unsafe_for_binlog=true
diff --git a/mysql-test/t/innodb_unsafe_binlog.test b/mysql-test/t/innodb_unsafe_binlog.test
new file mode 100644
index 00000000000..fa240eb7608
--- /dev/null
+++ b/mysql-test/t/innodb_unsafe_binlog.test
@@ -0,0 +1,67 @@
+-- source include/have_innodb.inc
+#
+# Note that these tests uses a innodb_locks_unsafe_for_binlog option.
+#
+# Test cases for a bug #15650 DELETE with LEFT JOIN crashes server
+#
+
+--disable_warnings
+drop table if exists t1,t2;
+--enable_warnings
+create table t1 (id int not null, f_id int not null, f int not null,
+primary key(f_id, id)) engine=innodb;
+create table t2 (id int not null,s_id int not null,s varchar(200),
+primary key(id)) engine=innodb;
+INSERT INTO t1 VALUES (8, 1, 3);
+INSERT INTO t1 VALUES (1, 2, 1);
+INSERT INTO t2 VALUES (1, 0, '');
+INSERT INTO t2 VALUES (8, 1, '');
+commit;
+DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id)
+WHERE mm.id IS NULL;
+select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id)
+where mm.id is null lock in share mode;
+drop table t1,t2;
+
+create table t1 (id int not null, f_id int not null, f int not null,
+primary key(id),key(f_id)) engine=innodb;
+create table t2 (id int not null,s_id int not null,s varchar(200),
+primary key(id),key(s_id)) engine=innodb;
+INSERT INTO t1 VALUES (8, 1, 3);
+INSERT INTO t1 VALUES (1, 2, 1);
+INSERT INTO t2 VALUES (1, 0, '');
+INSERT INTO t2 VALUES (8, 1, '');
+commit;
+delete ml.* from t1 as ml left join t2 as mm on (mm.s_id=ml.f_id) where mm.s is null;
+select ml.* from t1 as ml left join t2 as mm on (mm.s_id=ml.f_id) where mm.s is null lock in share mode;
+drop table t1,t2;
+
+#
+# Test case for unlock row bug where unlock releases all locks granted for
+# a row. Only the latest lock should be released.
+#
+
+connect (a,localhost,root,,);
+connect (b,localhost,root,,);
+connection a;
+create table t1(a int not null, b int, primary key(a)) engine=innodb;
+insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2);
+commit;
+set autocommit = 0; 
+select * from t1 lock in share mode;
+update t1 set b = 5 where b = 1;
+connection b;
+set autocommit = 0;
+#
+# S-lock to records (2,2),(4,2), and (6,2) should not be released in a update
+#
+--error 1205
+select * from t1 where a = 2 and b = 2 for update;
+connection a;
+commit;
+connection b;
+commit;
+drop table t1;
+disconnect a;
+disconnect b;
+