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). |
6 | struct A { }; |
7 | struct B : A { }; |
8 | |
9 | template<typename T> T& lvalue(); |
10 | template<typename T> T&& xvalue(); |
11 | |
12 | void 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 | |