Description:
------------
Any gmp_* function running on PHP 5.2.2-r1 (compiled with GMP extensions), throws after a few invokes "Fatal error: Allowed memory size of <varies from 7M to 8M> bytes exhausted (tried to allocate 16 bytes) in <file.php>". 

Reproduce code:
---------------
for( $i= 0; $i!= 100000; $i++ )
{
  $node = gmp_init( $i );
  $id = gmp_div( $node, '0x100000000' );

  $edge = gmp_and( $node, '0xffffffff' );
  $vert = gmp_div( $node, '0x1000' );
  $path = gmp_and( $node, '0x00ff' );

  $str_edge = gmp_strval( $edge );
  $str_vert = gmp_strval( $vert );
  $str_path = gmp_strval( $path );

  echo "Graph -> ($str_edge, $str_vert, $str_path) \n";
}



Expected result:
----------------
The iterated procedure runs on PHP 5.1.x (and PHP 5.0.x) near to 1 million times per call.

In this case, it's only runs 500 times and then drop the Fatal error.


Actual result:
--------------
Fatal error: Allowed memory size of 8388608 bytes exhausted (tried to allocate 16 bytes) in quixtor/compute-graph-map.php on line 443 (actually line 443 isn't a gmp related function, but it is called under for() iteration which uses GMP functions).