diff -r b4258d5a1600 -r 22f49c7dd11b mercurial/windows.py
--- a/mercurial/windows.py	Wed Apr 01 00:30:41 2015 -0700
+++ b/mercurial/windows.py	Wed Apr 01 00:31:41 2015 -0700
@@ -141,6 +141,10 @@
 def normcase(path):
     return encoding.upper(path)
 
+# see posix.py for definitions
+normcasespec = encoding.normcasespecs.upper
+normcasefallback = encoding.upperfallback
+
 def samestat(s1, s2):
     return False