p3-0x.cpp revision 8e8fb3be5bd78f0564444eca02b404566a5f3b5d 
1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2// expected-no-diagnostics
3
4// A glvalue of type "cv1 T1" can be cast to type "rvalue reference to
5// cv2 T2" if "cv2 T2" is reference-compatible with "cv1 T1" (8.5.3).
6struct A { };
7struct B : A { };
8
9template<typename T> T& lvalue();
10template<typename T> T&& xvalue();
11
12void test(A &a, B &b) {
13  A &&ar0 = static_cast<A&&>(a);
14  A &&ar1 = static_cast<A&&>(b);
15  A &&ar2 = static_cast<A&&>(lvalue<A>());
16  A &&ar3 = static_cast<A&&>(lvalue<B>());
17  A &&ar4 = static_cast<A&&>(xvalue<A>());
18  A &&ar5 = static_cast<A&&>(xvalue<B>());
19  const A &&ar6 = static_cast<const A&&>(a);
20  const A &&ar7 = static_cast<const A&&>(b);
21  const A &&ar8 = static_cast<const A&&>(lvalue<A>());
22  const A &&ar9 = static_cast<const A&&>(lvalue<B>());
23  const A &&ar10 = static_cast<const A&&>(xvalue<A>());
24  const A &&ar11 = static_cast<const A&&>(xvalue<B>());
25}
26