--- a/mercurial/debugcommands.py	Sat Jun 09 22:04:07 2018 +0900
+++ b/mercurial/debugcommands.py	Sat Jun 09 20:53:12 2018 +0900
@@ -903,7 +903,7 @@
         files.update(ctx.files())
         files.update(ctx.substate)
 
-    m = scmutil.matchfiles(repo, ctx.getfileset(expr))
+    m = ctx.matchfileset(expr)
     for f in sorted(files):
         if not m(f):
             continue