Description:
------------
When having the following code:

<?php
class foo {
    function bar() {
        self::$bar = 42;
    }
}
?>

The compiler generates compiled a totally unused NOP opline:

$ php -dvld.active=1 -r 'class foo { function bar() { self::$bar = 42; } }'
Finding entry points
Branch analysis from position: 0
Return found
filename:       Command line code
function name:  (null)
number of ops:  2
compiled vars:  none
line     # *  op                           fetch          ext  return  operands
---------------------------------------------------------------------------------
   1     0  >   NOP                                                      
         1    > RETURN                                                   null

branch: #  0; line:     1-    1; sop:     0; eop:     1
path #1: 0, 
Class foo:
Function bar:
Finding entry points
Branch analysis from position: 0
Return found
filename:       Command line code
function name:  bar
number of ops:  4
compiled vars:  !0 = $bar
line     # *  op                           fetch          ext  return  operands
---------------------------------------------------------------------------------
         0  >   ZEND_FETCH_CLASS                              1          
         1      FETCH_W                      static member       $1      'bar'
         2      ASSIGN                                                   $1, 42
         3    > RETURN                                                   null

branch: #  0; line:     1-    1; sop:     0; eop:     3
path #1: 0, 
End of function bar.


Test script:
---------------
no