Description:
------------
This produces an error that should not happen. Instead, when you cast an object to a string that has no __toString defined, it should produce the objects internal ID. Oddly enough, the behaviour is inconsistent as ...

class A {
	public function __call($name, $args) {echo $name;}
}
echo (new A);

seems to work as expected. I can't see how this should behave differently from dereferencing from a variable. 

I guess the behaviour of string casting is undefined for objects that do not have __toString() defined, so I guess it is debateable if this is really a bug, or a querky language "feature" ;-)

Note that this will work if one returns a value for __call().

Reproduce code:
---------------
<?php
class A {
	 public function __call($name, $args) {echo $name;}
}
$a = new A;
echo $a;
?>

Expected result:
----------------
Object id #insert_number_here

Actual result:
--------------
__tostring
Fatal error: Method A::__toString() must return a string value in /data/test.php on line 21