--- /dev/null
+//===----------------------------------------------------------------------===//
+//
+// 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, c++14, c++17
+// UNSUPPORTED: libcpp-no-concepts
+
+// template<class T, class... Args>
+// concept constructible_from;
+// destructible<T> && is_constructible_v<T, Args...>;
+
+#include <array>
+#include <concepts>
+#include <memory>
+#include <string>
+#include <type_traits>
+
+struct Empty {};
+
+struct Defaulted {
+ ~Defaulted() = default;
+};
+struct Deleted {
+ ~Deleted() = delete;
+};
+
+struct Noexcept {
+ ~Noexcept() noexcept;
+};
+struct NoexceptTrue {
+ ~NoexceptTrue() noexcept(true);
+};
+struct NoexceptFalse {
+ ~NoexceptFalse() noexcept(false);
+};
+
+struct Protected {
+protected:
+ ~Protected() = default;
+};
+struct Private {
+private:
+ ~Private() = default;
+};
+
+template <class T>
+struct NoexceptDependant {
+ ~NoexceptDependant() noexcept(std::is_same_v<T, int>);
+};
+
+template <class T, class... Args>
+void test() {
+ static_assert(std::constructible_from<T, Args...> ==
+ (std::destructible<T> && std::is_constructible_v<T, Args...>));
+}
+
+void test() {
+ test<bool>();
+ test<bool, bool>();
+
+ test<char>();
+ test<char, char>();
+ test<char, int>();
+
+ test<int>();
+ test<int, int>();
+ test<int, int, int>();
+
+ test<double, int>();
+ test<double, float>();
+ test<double, long double>();
+
+ test<void>();
+ test<void, bool>();
+ test<void, int>();
+
+ test<void*>();
+ test<void*, std::nullptr_t>();
+
+ test<int*>();
+ test<int*, std::nullptr_t>();
+ test<int[], int, int, int>();
+ test<int[1]>();
+ test<int[1], int>();
+ test<int[1], int, int>();
+
+ test<int (*)(int)>();
+ test<int (*)(int), int>();
+ test<int (*)(int), double>();
+ test<int (*)(int), std::nullptr_t>();
+ test<int (*)(int), int (*)(int)>();
+
+ test<void (Empty::*)(const int&)>();
+ test<void (Empty::*)(const int&), std::nullptr_t>();
+ test<void (Empty::*)(const int&) const>();
+ test<void (Empty::*)(const int&) const, void (Empty::*)(const int&)>();
+ test<void (Empty::*)(const int&) volatile>();
+ test<void (Empty::*)(const int&) volatile,
+ void (Empty::*)(const int&) const volatile>();
+ test<void (Empty::*)(const int&) const volatile>();
+ test<void (Empty::*)(const int&) const volatile, double>();
+ test<void (Empty::*)(const int&)&>();
+ test<void (Empty::*)(const int&)&, void (Empty::*)(const int&) &&>();
+ test<void (Empty::*)(const int&) &&>();
+ test<void (Empty::*)(const int&)&&, void (Empty::*)(const int&)>();
+ test<void (Empty::*)(const int&) throw()>();
+ test<void (Empty::*)(const int&) throw(),
+ void(Empty::*)(const int&) noexcept(true)>();
+ test<void (Empty::*)(const int&) noexcept>();
+ test<void (Empty::*)(const int&) noexcept(true)>();
+ test<void (Empty::*)(const int&) noexcept(true),
+ void (Empty::*)(const int&) noexcept(false)>();
+ test<void (Empty::*)(const int&) noexcept(false)>();
+
+ test<int&>();
+ test<int&, int>();
+ test<int&&>();
+ test<int&&, int>();
+
+ test<Empty>();
+
+ test<Defaulted>();
+ test<Deleted>();
+
+ test<NoexceptTrue>();
+ test<NoexceptFalse>();
+ test<Noexcept>();
+
+ test<Protected>();
+ test<Private>();
+
+ test<NoexceptDependant<int> >();
+ test<NoexceptDependant<double> >();
+
+ test<std::string, char*>();
+ test<std::string, const char*>();
+ test<std::string, std::string&>();
+ test<std::string, std::initializer_list<char> >();
+
+ test<std::unique_ptr<int>, std::unique_ptr<int> >();
+ test<std::unique_ptr<int>, std::unique_ptr<int>&>();
+ test<std::unique_ptr<int>, std::unique_ptr<int>&&>();
+
+ test<std::array<int, 1> >();
+ test<std::array<int, 1>, int>();
+ test<std::array<int, 1>, int, int>();
+}