/usr/share/php/Doctrine/ is in php-doctrine-cache 1.3.1-1+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Doctrine/Common/
/usr/share/php/Doctrine/Common/Cache/
/usr/share/php/Doctrine/Common/Cache/ApcCache.php
/usr/share/php/Doctrine/Common/Cache/ArrayCache.php
/usr/share/php/Doctrine/Common/Cache/Cache.php
/usr/share/php/Doctrine/Common/Cache/CacheProvider.php
/usr/share/php/Doctrine/Common/Cache/CouchbaseCache.php
/usr/share/php/Doctrine/Common/Cache/FileCache.php
/usr/share/php/Doctrine/Common/Cache/FilesystemCache.php
/usr/share/php/Doctrine/Common/Cache/MemcacheCache.php
/usr/share/php/Doctrine/Common/Cache/MemcachedCache.php
/usr/share/php/Doctrine/Common/Cache/MongoDBCache.php
/usr/share/php/Doctrine/Common/Cache/PhpFileCache.php
/usr/share/php/Doctrine/Common/Cache/RedisCache.php
/usr/share/php/Doctrine/Common/Cache/RiakCache.php
/usr/share/php/Doctrine/Common/Cache/Version.php
/usr/share/php/Doctrine/Common/Cache/WinCacheCache.php
/usr/share/php/Doctrine/Common/Cache/XcacheCache.php
/usr/share/php/Doctrine/Common/Cache/ZendDataCache.php