// { dg-do compile { target c++17 } }
// { dg-options "-fconcepts" }

template<typename T>
  concept bool Nothrow_assignable() { return __has_nothrow_assign(T); }

template<typename T>
  concept bool Nothrow_constructible() { return __has_nothrow_constructor(T); }

template<typename T>
  concept bool Nothrow_copyable() { return __has_nothrow_copy(T); }

template<typename T>
  concept bool Trivially_assignable() { return __has_trivial_assign(T); }

template<typename T>
  concept bool Trivially_constructible() { return __has_trivial_constructor(T); }

template<typename T>
  concept bool Trivially_copyable() { return __has_trivial_copy(T); }

template<typename T>
  concept bool Trivially_destructible() { return __has_trivial_destructor(T); }

template<typename T>
  concept bool Dynamically_destructible() { return __has_virtual_destructor(T); }

template<typename T>
  concept bool Abstract() { return __is_abstract(T); }

template<typename T>
  concept bool Polymorphic() { return __is_polymorphic(T); }

template<typename T>
  concept bool Class() { return __is_class(T); }

template<typename T>
  concept bool Empty() { return __is_empty(T); }

template<typename T>
  concept bool Enum() { return __is_enum(T); }

template<typename T>
  concept bool Final() { return __is_final(T); }

template<typename T>
  concept bool Literal_type() { return __is_literal_type(T); }

template<typename T>
  concept bool Pod() { return __is_pod(T); }

template<typename T>
  concept bool Standard_layout() { return __is_standard_layout(T); }

template<typename T>
  concept bool Trivial() { return __is_trivial(T); }

template<typename T>
  concept bool Union() { return __is_union(T); }

template<Nothrow_assignable T> void f1();
template<Nothrow_copyable T> void f2();
template<Nothrow_constructible T> void f3();
template<Trivially_assignable T> void f4();
template<Trivially_copyable T> void f5();
template<Trivially_constructible T> void f6();
template<Trivially_destructible T> void f7();
template<Dynamically_destructible T> void f8();
template<Class T> void f9();
template<Empty T> void f10();
template<Standard_layout T> void f11();
template<Pod T> void f12();
template<Trivial T> void f13();
template<Polymorphic T> void f14();
template<Abstract T> void f15();
template<Final T> void f16();
template<Union T> void f17();
template<Enum T> void f18();


int main() {
  f1<void>(); // { dg-error "cannot call" }
  f2<void>(); // { dg-error "cannot call" }
  f3<void>(); // { dg-error "cannot call" }
  f4<void>(); // { dg-error "cannot call" }
  f5<void>(); // { dg-error "cannot call" }
  f6<void>(); // { dg-error "cannot call" }
  f7<void>(); // { dg-error "cannot call" }
  f8<void>(); // { dg-error "cannot call" }
  f9<void>(); // { dg-error "cannot call" }
  f10<void>(); // { dg-error "cannot call" }
  f11<void>(); // { dg-error "cannot call" }
  f12<void>(); // { dg-error "cannot call" }
  f13<void>(); // { dg-error "cannot call" }
  f14<void>(); // { dg-error "cannot call" }
  f15<void>(); // { dg-error "cannot call" }
  f16<void>(); // { dg-error "cannot call" }
  f17<void>(); // { dg-error "cannot call" }
}