Bug#10178 - failure to find a row in heap table by concurrent UPDATEs

After merge fixes of test result.

mysql-test/r/heap.result

@@ -367,13 +367,13 @@ count(*)
 9
 explain select count(*) from t1 where v='a  ';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	9	Using where
+1	SIMPLE	t1	ref	v	v	13	const	10	Using where
 explain select count(*) from t1 where c='a  ';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	c	c	11	const	9	Using where
+1	SIMPLE	t1	ref	c	c	11	const	10	Using where
 explain select count(*) from t1 where t='a  ';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	t	t	13	const	9	Using where
+1	SIMPLE	t1	ref	t	t	13	const	10	Using where
 explain select count(*) from t1 where v like 'a%';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	ALL	v	NULL	NULL	NULL	271	Using where
@@ -399,7 +399,7 @@ qq
 *a         *a*a         *
 explain select * from t1 where v='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	v	v	13	const	9	Using where
+1	SIMPLE	t1	ref	v	v	13	const	10	Using where
 select v,count(*) from t1 group by v limit 10;
 v	count(*)
 a
	1

mysql-test/r/heap_hash.result

@@ -353,8 +353,8 @@ t3	1	a	1	a	NULL	NULL	NULL	NULL		HASH
 t3	1	a	2	b	NULL	13	NULL	NULL		HASH	
 explain select * from t1 ignore key(btree_idx), t3 where t1.name='matt' and t3.a = concat('',t1.name) and t3.b=t1.name;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	ref	a	a	44	const,const	7	Using where
 1	SIMPLE	t1	ref	heap_idx	heap_idx	22	const	7	Using where
+1	SIMPLE	t3	ref	a	a	44	const,const	7	Using where
 drop table t1, t2, t3;
 create temporary table t1 ( a int, index (a) ) engine=memory;
 insert into t1 values (1),(2),(3),(4),(5);