demonstrate broken 'git cherry-pick three one two'

Cherry-picking commits out of order (w.r.t. commit time stamp) doesn't
currently work. Add a test case to demonstrate it.

Signed-off-by: Martin von Zweigbergk <martinvonz@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t3508-cherry-pick-many-commits.sh

@@ -44,6 +44,21 @@ test_expect_success 'cherry-pick first..fourth works' '
 	check_head_differs_from fourth
 '
 
+test_expect_failure 'cherry-pick three one two works' '
+	git checkout -f first &&
+	test_commit one &&
+	test_commit two &&
+	test_commit three &&
+	git checkout -f master &&
+	git reset --hard first &&
+	git cherry-pick three one two &&
+	git diff --quiet three &&
+	git diff --quiet HEAD three &&
+	test "$(git log --reverse --format=%s first..)" = "three
+one
+two"
+'
+
 test_expect_success 'output to keep user entertained during multi-pick' '
 	cat <<-\EOF >expected &&
 	[master OBJID] second