bad merge fixed

mysql-test/r/insert_select.result:
  duplicated test removed
mysql-test/t/insert_select.test:
  duplicated test removed

mysql-test/r/distinct.result

@@ -464,14 +464,6 @@ SELECT DISTINCT html,SUM(rout)/(SUM(rin)+1) as 'prod' FROM t1 GROUP BY rin;
 html	prod
 1	0.0000
 drop table t1;
-create table t1 (id int, dsc varchar(50));
-insert into t1 values (1, "line number one"), (2, "line number two"), (3, "line number three");
-select distinct id, IFNULL(dsc, '-') from t1;
-id	IFNULL(dsc, '-')
-1	line number one
-2	line number two
-3	line number three
-drop table t1;
 CREATE TABLE t1 (a int);
 INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
 SELECT DISTINCT a, 1 FROM t1;

mysql-test/r/insert_select.result

@@ -668,13 +668,3 @@ ERROR 42S22: Unknown column 't2.a' in 'field list'
 insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= t1.a + t2.b;
 ERROR 42S22: Unknown column 't2.b' in 'field list'
 drop table t1,t2,t3;
-create table t1(f1 varchar(5) key);
-insert into t1(f1) select if(max(f1) is null, '2000',max(f1)+1) from t1;
-insert into t1(f1) select if(max(f1) is null, '2000',max(f1)+1) from t1;
-insert into t1(f1) select if(max(f1) is null, '2000',max(f1)+1) from t1;
-select * from t1;
-f1
-2000
-2001
-2002
-drop table t1;

mysql-test/t/insert_select.test

@@ -202,14 +202,4 @@ insert into t1 select t2.a from t2 on duplicate key update t2.a= a + t2.b;
 insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= t1.a + t2.b;
 drop table t1,t2,t3;
 
-#
-# Bug #12695 Item_func_isnull::update_used_tables() did not update 
-#            const_item_cache
-create table t1(f1 varchar(5) key);
-insert into t1(f1) select if(max(f1) is null, '2000',max(f1)+1) from t1;
-insert into t1(f1) select if(max(f1) is null, '2000',max(f1)+1) from t1;
-insert into t1(f1) select if(max(f1) is null, '2000',max(f1)+1) from t1;
-select * from t1;
-drop table t1;
-
 # End of 4.1 tests