0.9.4 does not correctly update my project

[Dustin Sallings]

	0.9.4 does not update to tip on ``hg update'' or ``hg clone''   
Example tree:

	http://hg.west.spy.net/hg/memcached/

0.9.3 transcript:
purple:/tmp 553> hg clone http://hg.west.spy.net/hg/memcached/
destination directory: memcached
requesting all changes
adding changesets
cd adding manifests
adding file changes
added 151 changesets with 379 changes to 72 files
52 files updated, 0 files merged, 0 files removed, 0 files unresolved
purple:/tmp/memcached 556> hg tip
changeset:   150:66cd736a64a7
branch:      1.4
tag:         tip
user:        Dustin Sallings <dustin at spy.net>
date:        Sun Jul 08 15:14:16 2007 -0700
summary:     Reformatting in HashAlgorithm.

purple:/tmp/memcached 557> hg identify
66cd736a64a7 (1.4) tip
purple:/tmp/memcached 558> cat TODO
- JSON Transcoder


0.9.4 transcript:
dustinmb:/tmp 544% hg clone http://hg.west.spy.net/hg/memcached/
destination directory: memcached
requesting all changes
adding changesets
adding manifests
adding file changes
added 151 changesets with 379 changes to 72 files
28 files updated, 0 files merged, 0 files removed, 0 files unresolved
0.357u 0.572s 0:01.84 50.0%     0+0k 0+66io 0pf+0w
dustinmb:/tmp 545% cd memcached/
dustinmb:/tmp/memcached 546% hg tip
changeset:   150:66cd736a64a7
branch:      1.4
tag:         tip
user:        Dustin Sallings <dustin at spy.net>
date:        Sun Jul 08 15:14:16 2007 -0700
summary:     Reformatting in HashAlgorithm.

dustinmb:/tmp/memcached 547% hg identify
db0f9fb34cf1  ####  Note, this is changeset 39 of 150 in this clone
dustinmb:/tmp/memcached 548% cat TODO
* Store operations should return something more useful than strings.
* delete and flush need to return futures.
* Write up some more overview documentation, download links, etc...

--
arch-tag: C9F77020-C89A-4ABD-8B5A-28593C8E09ED


	It updates to the same arbitrary changeset if I clone with -U and up  
manually.  There's no tag with this changeset, and the tree only has  
one head.

	It doesn't seem to have lost information, but this behavior scared  
the hell out of me.

-- 
Dustin Sallings