diff -r 38a2b9d90131 -r 24245b54aa8a mercurial/context.py
--- a/mercurial/context.py	Sun May 21 18:36:28 2017 -0400
+++ b/mercurial/context.py	Fri May 12 23:11:41 2017 -0700
@@ -1595,7 +1595,7 @@
         # to actual case in the filesystem.
         matcherfunc = matchmod.match
         if not util.fscasesensitive(r.root):
-            matcherfunc = matchmod.icasefsmatcher
+            matcherfunc = matchmod.icasefsmatch
         return matcherfunc(r.root, r.getcwd(), pats,
                            include, exclude, default,
                            auditor=r.auditor, ctx=self,