Add test cases for ticket #3378 and #3381. Add a temporary hack to get those

to problems fixed.  The hack causes failures in alias.test, but those are much
less serious than the aforementioned tickets.  This is a stop-gap until we can
figure out a proper fix. (CVS 5711)

FossilOrigin-Name: a67da9dd2ff6acc163de4ce2b836b03e3f159a88