Fixed issues

Author: H-G-Hristov

libcxx/include/__functional/reference_wrapper.h

@@ -128,25 +128,25 @@ reference_wrapper(_Tp&) -> reference_wrapper<_Tp>;
 #endif
 
 template <class _Tp>
-[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI
+[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI
 _LIBCPP_CONSTEXPR_SINCE_CXX20 reference_wrapper<_Tp> ref(_Tp& __t) _NOEXCEPT {
   return reference_wrapper<_Tp>(__t);
 }
 
 template <class _Tp>
-[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference_wrapper<_Tp>
+[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference_wrapper<_Tp>
 ref(reference_wrapper<_Tp> __t) _NOEXCEPT {
   return __t;
 }
 
 template <class _Tp>
-[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference_wrapper<const _Tp>
+[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference_wrapper<const _Tp>
 cref(const _Tp& __t) _NOEXCEPT {
   return reference_wrapper<const _Tp>(__t);
 }
 
 template <class _Tp>
-[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference_wrapper<const _Tp>
+[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference_wrapper<const _Tp>
 cref(reference_wrapper<_Tp> __t) _NOEXCEPT {
   return __t;
 }

libcxx/test/std/utilities/function.objects/refwrap/refwrap.invoke/robust_against_adl.pass.cpp

@@ -27,23 +27,23 @@ int main(int, char**)
 {
     Ptr x = nullptr;
     const Ptr cx = nullptr;
-    std::ref(no_args)();
-    std::ref(one_arg)(x);
-    std::ref(one_arg)(cx);
-    std::ref(two_args)(x, x);
-    std::ref(two_args)(x, cx);
-    std::ref(two_args)(cx, x);
-    std::ref(two_args)(cx, cx);
-    std::ref(three_args)(x, x, x);
-    std::ref(three_args)(x, x, cx);
-    std::ref(three_args)(x, cx, x);
-    std::ref(three_args)(cx, x, x);
-    std::ref(three_args)(x, cx, cx);
-    std::ref(three_args)(cx, x, cx);
-    std::ref(three_args)(cx, cx, x);
-    std::ref(three_args)(cx, cx, cx);
-    std::ref(one_arg_void)(x);
-    std::ref(one_arg_void)(cx);
+    (void)std::ref(no_args)();
+    (void)std::ref(one_arg)(x);
+    (void)std::ref(one_arg)(cx);
+    (void)std::ref(two_args)(x, x);
+    (void)std::ref(two_args)(x, cx);
+    (void)std::ref(two_args)(cx, x);
+    (void)std::ref(two_args)(cx, cx);
+    (void)std::ref(three_args)(x, x, x);
+    (void)std::ref(three_args)(x, x, cx);
+    (void)std::ref(three_args)(x, cx, x);
+    (void)std::ref(three_args)(cx, x, x);
+    (void)std::ref(three_args)(x, cx, cx);
+    (void)std::ref(three_args)(cx, x, cx);
+    (void)std::ref(three_args)(cx, cx, x);
+    (void)std::ref(three_args)(cx, cx, cx);
+    (void)std::ref(one_arg_void)(x);
+    (void)std::ref(one_arg_void)(cx);
 
     return 0;
 }