diff -r a4d62ff9a86d -r 4fd0fac48922 mercurial/commands.py
--- a/mercurial/commands.py	Fri Oct 05 01:55:51 2018 +0300
+++ b/mercurial/commands.py	Fri Sep 28 12:29:21 2018 -0700
@@ -44,7 +44,6 @@
     help,
     hg,
     logcmdutil,
-    match as matchmod,
     merge as mergemod,
     narrowspec,
     obsolete,
@@ -1970,7 +1969,7 @@
 
     diffopts = patch.diffallopts(ui, opts)
     m = scmutil.match(ctx2, pats, opts)
-    m = matchmod.intersectmatchers(m, repo.narrowmatch())
+    m = repo.narrowmatch(m)
     ui.pager('diff')
     logcmdutil.diffordiffstat(ui, repo, diffopts, node1, node2, m, stat=stat,
                               listsubrepos=opts.get('subrepos'),