Improved performance of array_merge() by eliminating useless copying
Merge branch 'PHP-5.5'

* PHP-5.5:
  Improved performance of array_merge() by eliminating useless copying

Conflicts:
	NEWS
Merge branch 'master' of git.php.net:php-src

* 'master' of git.php.net:php-src:
  increase backlog to the highest value everywhere
  Update NEWS
  Fixed bug #65950 Field name truncation if the field name is bigger than 32 characters