diff --git a/tests/test-sparse-rebase.t b/tests/test-sparse-rebase.t
new file mode 100644
--- /dev/null
+++ b/tests/test-sparse-rebase.t
@@ -0,0 +1,30 @@
+  $ hg init repo
+  $ cd repo
+  $ cat > .hg/hgrc <<EOF
+  > [extensions]
+  > sparse=$TESTDIR/../hgext3rd/fbsparse.py
+  > dragdag=$RUNTESTDIR/drawdag.py
+  > rebase=
+  > EOF
+
+Run diff.  This should still show the file contents of excluded files (and should not crash).
+
+  $ hg debugdrawdag <<'EOS'
+  >   D
+  >   |
+  > B C
+  > |/
+  > A
+  > EOS
+
+  $ hg sparse --exclude A B C D E
+  $ hg update A -q
+  $ printf D > D
+  $ echo 2 > E
+  $ hg rebase -s C -d B
+  rebasing 2:dc0947a82db8 "C" (C)
+  temporarily included 1 file(s) in the sparse checkout for merging
+  cleaned up 1 temporarily added file(s) from the sparse checkout
+  rebasing 3:e7b3f00ed42e "D" (D tip)
+  abort: D@bbfdd6cb49aa: not found in manifest!
+  [255]