Description:
------------
Bitwise | and & are not available in class definition areas.

Reproduce code:
---------------
<?php
class a {
  const FLAG_1 = 1;
  const FLAG_2 = 2;

  protected $Flags = self::FLAG_1 | self::FLAG_2;
}

Expected result:
----------------
Properly compiled and having $Flags = 3 upon instantiation.

Actual result:
--------------
Compile error, expected ';' where '|' is.