Fixed #8311 -- Avoid an infinite loop with session key generation when using the cache backend and memcached goes away (or is not running).
Fixed #8311 -- Avoid an infinite loop with session key generation when using
the cache backend and memcached goes away (or is not running).


git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@8620 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django