diff --git a/libcxx/test/libcxx/algorithms/equal.pass.cpp b/libcxx/test/libcxx/algorithms/equal.pass.cpp
new file mode 100644
--- /dev/null
+++ b/libcxx/test/libcxx/algorithms/equal.pass.cpp
@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11
+
+// <algorithm>
+
+// check that std::equal can accept iterators with cv-qualified types.
+
+#include <algorithm>
+
+template <typename T1, typename T2>
+void f() {
+  int a[3]{1, 2, 3};
+  T1* x = a;
+  T2* y = a;
+  (void)std::equal(x, x + 3, y, y + 3);
+  (void)std::equal(y, y + 3, x, x + 3);
+}
+
+int main(int, char**) {
+  f<int, int>();
+  f<int, const int>();
+  f<int, volatile int>();
+  f<int, const volatile int>();
+  f<const int, volatile int>();
+  f<const int, const volatile int>();
+  f<const volatile int, const volatile int>();
+  return 0;
+}