1 files changed, 45 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/25_algorithms/unique/11480.cc b/libstdc++-v3/testsuite/25_algorithms/unique/11480.cc
new file mode 100644
index 000000000..f165dac54
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/unique/11480.cc
@@ -0,0 +1,45 @@
+// Copyright (C) 2003, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <algorithm>
+#include <testsuite_hooks.h>
+
+int a[10] = { 1, 2, 3, 3, 4, 5, 5, 6, 7, 9 };
+
+static int compare_count = 0;
+
+bool compare(int a, int b)
+{
+  compare_count++;
+  return a == b;
+}
+
+// libstdc++/11480
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::unique(a, a+10, compare);
+  VERIFY( compare_count == 9 );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}