Server fails to drop .ibd file when vector table creation fails

--source include/have_innodb.inc

let $MYSQLD_DATADIR= `select @@datadir`;

CREATE DATABASE test_1;

--error ER_SQL_DISCOVER_ERROR

SET STATEMENT max_session_mem_used=8192 FOR

CREATE TABLE test_1.t (a INT,b VECTOR (5) NOT NULL,

                       VECTOR INDEX (b)) ENGINE=INNODB;

--list_files $MYSQLD_DATADIR/test_1

DROP DATABASE test_1;

Result:

=====

CREATE DATABASE test_1;

SET STATEMENT max_session_mem_used=8192 FOR

CREATE TABLE test_1.t (a INT,b VECTOR (5) NOT NULL,

VECTOR INDEX (b)) ENGINE=INNODB;

ERROR HY000: Engine InnoDB failed to discover table `test_1`.`t` with 'CREATE TABLE i (                     layer tinyint not null,            tref varbinary(6),                vec blob not null,                 neighbors blob not null,           unique (tref),                     key (layer))                     '

db.opt

t.ibd