mercurial/fileset.py

--- a/mercurial/fileset.py	Sat Jul 21 16:16:44 2018 +0900
+++ b/mercurial/fileset.py	Sat Jul 21 15:52:26 2018 +0900
@@ -524,6 +524,7 @@
     """Create a matcher for a single fileset expression"""
     tree = filesetlang.parse(expr)
     tree = filesetlang.analyze(tree)
+    tree = filesetlang.optimize(tree)
     mctx = matchctx(ctx, _buildstatus(ctx, tree), badfn=badfn)
     return getmatch(mctx, tree)