lstat_cache(): print a warning if doing ping-pong between cache types

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index aeb5405cfeee83f13f3d543db2eba07f1fb5c241..aba53202f84b6c6c16a68f45ccfa42368e47d421 100755 (executable)
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -261,6 +261,7 @@ diff --patch-with-stat -r initial..side
 diff --patch-with-raw -r initial..side
 diff --name-status dir2 dir
 diff --no-index --name-status dir2 dir
+diff --no-index --name-status -- dir2 dir
 diff master master^ side
 EOF