Fixed bug #66461 (PHP crashes if opcache.interned_strings_buffer=0)
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fixed bug #66461 (PHP crashes if opcache.interned_strings_buffer=0)

Conflicts:
	NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed bug #66461 (PHP crashes if opcache.interned_strings_buffer=0)