BUG: Possible segfault when chained indexing with an object array under numpy 1.7.1 (GH6016)
closes #6026

https://groups.google.com/forum/#!topic/pydata/P3JFE3sob1U

Another demonstration that the RC only gets slightly more testing, users find these
issues very quickly after a release but many don't respond to the call-to-test for RCs.  
