Add bison 2.6.4 to the list of supported versions
fix assembly of safe_address() for x86 and x86_64
truncate results at depth of 255 to prevent corruption
add test for bug #65236
Merge PHP 5.3.27 NEWS
Merge branch 'PHP-5.3' of https://git.php.net/repository/php-src into PHP-5.3

* 'PHP-5.3' of https://git.php.net/repository/php-src:
  Merge PHP 5.3.27 NEWS
  add test for bug #65236