From 5479c435fde32e720af5e177e95d6364a422885a Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 29 Jul 2022 16:40:00 +0200
Subject: sort: fix sort -s -u, closes 14871

function                                             old     new   delta
sort_main                                            851     856      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 testsuite/sort.tests | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'testsuite')

diff --git a/testsuite/sort.tests b/testsuite/sort.tests
index fb2cc91bd..8dbadbdae 100755
--- a/testsuite/sort.tests
+++ b/testsuite/sort.tests
@@ -230,4 +230,14 @@ testing "sort -k2,2M" \
 3 March
 " ""
 
+testing "sort -s -u" \
+"sort -s -u -k 2 input" "\
+z a
+z b
+" "\
+z b
+a b
+z a
+a a" ""
+
 exit $FAILCOUNT
-- 
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