diff -r 57ea0a81a65c -r 96ddf83fc267 tests/test-hgignore.t
--- a/tests/test-hgignore.t	Tue Jul 16 21:15:39 2019 -0700
+++ b/tests/test-hgignore.t	Sun Aug 25 22:52:36 2019 -0400
@@ -176,6 +176,8 @@
   ? .hgignore
   ? a.c
   ? syntax
+  $ hg debugignore
+  <includematcher includes='(?:|.*/)[^/]*\\.o(?:/|$)'>
 
   $ cd ..
   $ echo > .hg/testhgignorerel