Description:
------------
Having a prepared statement with a given number of parameters (ie. ?,?) and binding two more parameters than required causes zend_mm_heap corruption where an error is expected.



Reproduce code:
---------------
// NOTE: I'm running PostgreSQL 8.2.3

$db = new e4_PDO($db_connect_string);

$item = array(112,113,114);

$sql = "SELECT * FROM item_table WHERE item_id IN (?)";
$stmt = $db->prepare($sql);

$stmt->bindValue(1,$item[0]);
$stmt->bindValue(2,$item[1]);
$stmt->bindValue(3,$item[2]);

$stmt->execute();



Expected result:
----------------
something like:
ERROR:  bind message supplies 3 parameters, but prepared statement "pdo_pgsql_stmt_XXXXXXXX" requires 1

Actual result:
--------------
zend_mm_heap corrupted