diff -r e5deefcaa12b -r 660ef8ca8c3c mercurial/localrepo.py
--- a/mercurial/localrepo.py	Wed Apr 23 16:06:42 2014 -0500
+++ b/mercurial/localrepo.py	Wed Apr 23 16:08:20 2014 -0500
@@ -1532,13 +1532,8 @@
             reversed = True
             ctx1, ctx2 = ctx2, ctx1
 
-        working = ctx2.rev() is None
         listignored, listclean, listunknown = ignored, clean, unknown
 
-        # load earliest manifest first for caching reasons
-        if not working and ctx2.rev() < ctx1.rev():
-            ctx2.manifest()
-
         r = [[], [], [], [], [], [], []]
         match = ctx2._matchstatus(ctx1, r, match, listignored, listclean,
                                   listunknown)