View has to fail with error ER_SUBQUERY_NO_1_ROW (1242) but it doesn't

CREATE TABLE t1 (a INTEGER, b INTEGER);

CREATE TABLE t2 (x INTEGER);

INSERT INTO t1 VALUES (1,11), (2,22), (2,22);

INSERT INTO t2 VALUES (1), (2);

CREATE VIEW v1 AS SELECT (SELECT COUNT(b) FROM t2) FROM t1;

SELECT * from v1;

DROP VIEW v1;

DROP TABLES t1,t2;

(SELECT COUNT(b) FROM t2)

2

2

2

EXPLAIN EXTENDED SELECT (SELECT COUNT(b) FROM t2) FROM t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra

1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	

Warnings:

Note	1276	Field or reference 'test.t1.b' of SELECT #2 was resolved in SELECT #1

Note	1981	Aggregate function 'count()' of SELECT #2 belongs to SELECT #1

Note	1003	/* select#1 */ select <expr_cache><`test`.`t1`.`b`,count(`test`.`t1`.`b`),count(`test`.`t1`.`b`)>((/* select#2 */ select count(`test`.`t1`.`b`) from `test`.`t2`)) AS `(SELECT COUNT(b) FROM t2)` from `test`.`t1`

CREATE VIEW v1 AS SELECT (SELECT COUNT(b) FROM t2) FROM t1;

EXPLAIN EXTENDED  SELECT * from v1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra

1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	

3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	

Warnings:

Note	1276	Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #2

Note	1003	/* select#1 */ select <expr_cache><`test`.`t1`.`b`>((/* select#3 */ select count(`test`.`t1`.`b`) from `test`.`t2`)) AS `(SELECT COUNT(b) FROM t2)` from `test`.`t1`