p3-0x.cpp revision dc843f221c95ed404e681b4d782bc81cba14295b 
1// RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
2
3// A glvalue of type "cv1 T1" can be cast to type "rvalue reference to
4// cv2 T2" if "cv2 T2" is reference-compatible with "cv1 T1" (8.5.3).
5struct A { };
6struct B : A { };
7
8template<typename T> T& lvalue();
9template<typename T> T&& xvalue();
10
11void test(A &a, B &b) {
12  A &&ar0 = static_cast<A&&>(a);
13  A &&ar1 = static_cast<A&&>(b);
14  A &&ar2 = static_cast<A&&>(lvalue<A>());
15  A &&ar3 = static_cast<A&&>(lvalue<B>());
16  A &&ar4 = static_cast<A&&>(xvalue<A>());
17  A &&ar5 = static_cast<A&&>(xvalue<B>());
18  const A &&ar6 = static_cast<const A&&>(a);
19  const A &&ar7 = static_cast<const A&&>(b);
20  const A &&ar8 = static_cast<const A&&>(lvalue<A>());
21  const A &&ar9 = static_cast<const A&&>(lvalue<B>());
22  const A &&ar10 = static_cast<const A&&>(xvalue<A>());
23  const A &&ar11 = static_cast<const A&&>(xvalue<B>());
24}
25