Added a test case for BUG#10456

mysql-test/r/rpl_insert_select.result

+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+create table t1 (n int not null primary key);
+insert into t1 values (1);
+create table t2 (n int);
+insert into t2 values (1);
+insert ignore into t1 select * from t2;
+insert into t1 values (2);
+select * from t1;
+n
+1
+2
+drop table t1,t2;