1 files changed, 15 insertions, 6 deletions
diff --git a/test/std/utilities/function.objects/unord.hash/integral.pass.cpp b/test/std/utilities/function.objects/unord.hash/integral.pass.cpp
index c20f31ff2c99..8954f4f3664b 100644
--- a/test/std/utilities/function.objects/unord.hash/integral.pass.cpp
+++ b/test/std/utilities/function.objects/unord.hash/integral.pass.cpp
@@ -16,14 +16,14 @@
 //     size_t operator()(T val) const;
 // };
 
-// Not very portable
-
 #include <functional>
 #include <cassert>
 #include <type_traits>
 #include <cstddef>
 #include <limits>
 
+#include "test_macros.h"
+
 template <class T>
 void
 test()
@@ -37,7 +37,11 @@ test()
     {
         T t(i);
         if (sizeof(T) <= sizeof(std::size_t))
-            assert(h(t) == t);
+        {
+            const std::size_t result = h(t);
+            LIBCPP_ASSERT(result == t);
+            ((void)result); // Prevent unused warning
+        }
     }
 }
 
@@ -67,7 +71,7 @@ int main()
 	test<int16_t>();
 	test<int32_t>();
 	test<int64_t>();
-	
+
 	test<int_fast8_t>();
 	test<int_fast16_t>();
 	test<int_fast32_t>();
@@ -80,12 +84,12 @@ int main()
 
     test<intmax_t>();
     test<intptr_t>();
-	
+
 	test<uint8_t>();
 	test<uint16_t>();
 	test<uint32_t>();
 	test<uint64_t>();
-	
+
 	test<uint_fast8_t>();
 	test<uint_fast16_t>();
 	test<uint_fast32_t>();
@@ -98,4 +102,9 @@ int main()
 
     test<uintmax_t>();
     test<uintptr_t>();
+
+#ifndef _LIBCPP_HAS_NO_INT128
+    test<__int128_t>();
+    test<__uint128_t>();
+#endif
 }