Description:
------------
The query 

INSERT INTO $table VALUES (\"first value\");
-- dam'd quote
INSERT INTO $table VALUES (\"foo : ba'r \"), 
(\"foo.:bar\");

Throws 
Warning: PDOStatement::execute(): SQLSTATE[HY093]: Invalid parameter number: no parameters were bound

But doesn't
- without first query before comment
- without comment
- with escaped quote
- with space after last colon

Test script:
---------------
// This query doesn't work
$q1 = "INSERT INTO $table VALUES (\"first value\");
-- dam'd quote
INSERT INTO $table VALUES (\"foo : ba'r \"), 
(\"foo.:bar\"); ";
// But all these doesn't have any pb
$q2 = "-- dam'd quote         
INSERT INTO $table VALUES (\"foo : ba'r \"),                               
(\"foo.:bar\"); "; // without first one (before comment)
$q3 = "INSERT INTO $table VALUES (\"first value\");                             
INSERT INTO $table VALUES (\"foo : ba'r \"),                               
(\"foo.:bar\"); "; // without comment
$q4 = "INSERT INTO $table VALUES (\"first value\");                             
-- dam'd quote         
INSERT INTO $table VALUES (\"foo : ba\'r \"),
(\"foo.:bar\"); "; // with escaped quote
$q5 = "INSERT INTO $table VALUES (\"first value\");                             
-- dam'd quote         
INSERT INTO $table VALUES (\"foo : ba'r \"),                               
(\"foo.: bar\"); "; // with space after last colon

try {
  $pdo = new PDO($dsn, $user, $pass, $options);
  $stmt = $pdo->prepare($query);
  $stmt->execute();
}
catch (Exception $e) {
  echo "Failed : " .$e->getMessage();
}


Expected result:
----------------
No warning

Actual result:
--------------
Warning: PDOStatement::execute(): SQLSTATE[HY093]: Invalid parameter number: no parameters were bound