Log Message:
Update php71 to 7.1.0rc2 (PHP 7.1.0RC2).

15 Sep 2016, PHP 7.1.0RC2

- Core:
  . Fixed bug #73067 (__debugInfo crashes when throwing an exception).
    (Laruence)
  . Fixed bug #73025 (Heap Buffer Overflow in virtual_popen of
    zend_virtual_cwd.c). (cmb)
  . Fixed bug #73058 (crypt broken when salt is 'too' long). (Anatol)

- Filter:
  . Fixed bug #72972 (Bad filter for the flags FILTER_FLAG_NO_RES_RANGE and
    FILTER_FLAG_NO_PRIV_RANGE). (julien)
  . Fixed bug #73054 (default option ignored when object passed to int filter).
    (cmb)

-GD:
  . Fixed bug #67325 (imagetruecolortopalette: white is duplicated in palette).
    (cmb)

- Mbstring
  . Fixed bug #66964 (mb_convert_variables() cannot detect recursion) (Yasuo)
  . Fixed bug #72992 (mbstring.internal_encoding doesn't inherit default_charset).
    (Yasuo)

- Opcache:
  . Fixed bug #72982 (Memory leak in zend_accel_blacklist_update_regexp()
    function). (Laruence)

- OpenSSL:
  . Fixed bug #73072 (Invalid path SNI_server_certs causes segfault).
    (Jakub Zelenka)

- Session:
  . Fixed bug #68015 (Session does not report invalid uid for files save handler).
    (Yasuo)

- SQLite3:
  . Updated to SQLite3 3.14.2. (cmb)