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diff --git a/contrib/netbsd-tests/lib/libc/sync/cpp_atomic_ops_linkable.cc b/contrib/netbsd-tests/lib/libc/sync/cpp_atomic_ops_linkable.cc
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+/* $NetBSD: cpp_atomic_ops_linkable.cc,v 1.4 2016/02/27 18:50:39 joerg Exp $ */
+
+/*-
+ * Copyright (c) 2014 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Martin Husemann <martin@NetBSD.org>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This is a simple link-time test to verify all builtin atomic sync
+ * operations for C++ <atomic> are available.
+ */
+
+#include <atomic>
+#include <machine/types.h> // for __HAVE_ATOMIC64_OPS
+
+template <class T>
+class ATest {
+public:
+ ATest() : m_val(0)
+ {
+ m_val.exchange(std::atomic<T>(8));
+ m_val--;
+ m_val++;
+ m_val ^= 0x0f;
+ m_val &= 0x0f;
+ m_val |= 2;
+
+ T tval(1), other(42);
+ m_val.compare_exchange_weak(tval, other,
+ std::memory_order_release, std::memory_order_relaxed);
+ }
+
+private:
+ volatile std::atomic<T> m_val;
+};
+
+#if defined(__clang__) && defined(__sparc64__)
+#define NO_SHORT_ATOMICS
+#endif
+
+int main(int argc, char **argv)
+{
+#ifndef NO_SHORT_ATOMICS
+ ATest<char>();
+ ATest<signed char>();
+ ATest<unsigned char>();
+ ATest<short>();
+ ATest<unsigned short>();
+#endif
+ ATest<int>();
+ ATest<unsigned int>();
+ ATest<long>();
+ ATest<unsigned long>();
+#ifdef __HAVE_ATOMIC64_OPS
+ ATest<long long>();
+ ATest<unsigned long long>();
+#endif
+#ifndef NO_SHORT_ATOMICS
+ ATest<char16_t>();
+#endif
+ ATest<char32_t>();
+ ATest<wchar_t>();
+#ifndef NO_SHORT_ATOMICS
+ ATest<int_least8_t>();
+ ATest<uint_least8_t>();
+ ATest<int_least16_t>();
+ ATest<uint_least16_t>();
+#endif
+ ATest<int_least32_t>();
+ ATest<uint_least32_t>();
+#ifdef __HAVE_ATOMIC64_OPS
+ ATest<int_least64_t>();
+ ATest<uint_least64_t>();
+#endif
+#ifndef NO_SHORT_ATOMICS
+ ATest<int_fast8_t>();
+ ATest<uint_fast8_t>();
+ ATest<int_fast16_t>();
+ ATest<uint_fast16_t>();
+#endif
+ ATest<int_fast32_t>();
+ ATest<uint_fast32_t>();
+#ifdef __HAVE_ATOMIC64_OPS
+ ATest<int_fast64_t>();
+ ATest<uint_fast64_t>();
+#endif
+ ATest<intptr_t>();
+ ATest<uintptr_t>();
+ ATest<std::size_t>();
+ ATest<std::ptrdiff_t>();
+#ifdef __HAVE_ATOMIC64_OPS
+ ATest<intmax_t>();
+ ATest<uintmax_t>();
+#endif /* NO_SHORT_ATOMICS */
+}
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