--- a/mercurial/dirstate.py	Tue Aug 01 21:03:25 2017 +0900
+++ b/mercurial/dirstate.py	Wed Jul 26 22:10:15 2017 +0900
@@ -1089,7 +1089,7 @@
                 # that wasn't ignored, and everything that matched was stat'ed
                 # and is already in results.
                 # The rest must thus be ignored or under a symlink.
-                audit_path = pathutil.pathauditor(self._root)
+                audit_path = pathutil.pathauditor(self._root, cached=True)
 
                 for nf in iter(visit):
                     # If a stat for the same file was already added with a