11 struct A { };  struct
12 struct B : A { };
14 struct C { explicit operator A&&(); };
21 void test(A &a, B &b) {  in test()
22   A &&ar0 = static_cast<A&&>(prvalue<A>());  in test()
23   A &&ar1 = static_cast<A&&>(prvalue<B>());  in test()
24   A &&ar2 = static_cast<A&&>(lvalue<C>());  in test()
25   A &&ar3 = static_cast<A&&>(xvalue<C>());  in test()
26   A &&ar4 = static_cast<A&&>(prvalue<C>());  in test()
27   A &&ar5 = static_cast<A&&>(lvalue<D>());  in test()
28   A &&ar6 = static_cast<A&&>(xvalue<D>());  in test()
29   A &&ar7 = static_cast<A&&>(prvalue<D>());  in test()
31 …A &&ar8 = static_cast<A&&>(prvalue<const A>()); // expected-error {{binding reference of type 'A' …  in test()
32 …A &&ar9 = static_cast<A&&>(lvalue<const A>());  // expected-error {{cannot cast from lvalue of typ…  in test()
33 …A &&ar10 = static_cast<A&&>(xvalue<const A>()); // expected-error {{cannot cast from rvalue of typ…  in test()
35   const A &&ar11 = static_cast<const A&&>(prvalue<A>());  in test()
36   const A &&ar12 = static_cast<const A&&>(prvalue<B>());  in test()
37   const A &&ar13 = static_cast<const A&&>(lvalue<C>());  in test()
38   const A &&ar14 = static_cast<const A&&>(xvalue<C>());  in test()
39   const A &&ar15 = static_cast<const A&&>(prvalue<C>());  in test()
40   const A &&ar16 = static_cast<const A&&>(lvalue<D>());  in test()
42 …const A &&ar17 = static_cast<const A&&>(prvalue<A const volatile>()); // expected-error {{binding …  in test()