Description:
------------
The initial value of static locals inside trait methods is being lost.




Test script:
---------------
<?php
trait T1 {
  public function inc() {
    static $x=1;
    echo $x++ . "\n";
  }
}
class C { use T1; }
$c1 = new C;
$c1->inc();
$c1->inc();


Expected result:
----------------
1
2


Actual result:
--------------
1