19ca5c425SRichard Smith // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2*c6e68daaSAndy Gibbs // expected-no-diagnostics 3465184aeSDouglas Gregor 4465184aeSDouglas Gregor // A glvalue of type "cv1 T1" can be cast to type "rvalue reference to 5465184aeSDouglas Gregor // cv2 T2" if "cv2 T2" is reference-compatible with "cv1 T1" (8.5.3). 6465184aeSDouglas Gregor struct A { }; 7465184aeSDouglas Gregor struct B : A { }; 8465184aeSDouglas Gregor 9465184aeSDouglas Gregor template<typename T> T& lvalue(); 10465184aeSDouglas Gregor template<typename T> T&& xvalue(); 11465184aeSDouglas Gregor test(A & a,B & b)12465184aeSDouglas Gregorvoid test(A &a, B &b) { 13465184aeSDouglas Gregor A &&ar0 = static_cast<A&&>(a); 14465184aeSDouglas Gregor A &&ar1 = static_cast<A&&>(b); 15465184aeSDouglas Gregor A &&ar2 = static_cast<A&&>(lvalue<A>()); 16465184aeSDouglas Gregor A &&ar3 = static_cast<A&&>(lvalue<B>()); 17465184aeSDouglas Gregor A &&ar4 = static_cast<A&&>(xvalue<A>()); 18465184aeSDouglas Gregor A &&ar5 = static_cast<A&&>(xvalue<B>()); 19465184aeSDouglas Gregor const A &&ar6 = static_cast<const A&&>(a); 20465184aeSDouglas Gregor const A &&ar7 = static_cast<const A&&>(b); 21465184aeSDouglas Gregor const A &&ar8 = static_cast<const A&&>(lvalue<A>()); 22465184aeSDouglas Gregor const A &&ar9 = static_cast<const A&&>(lvalue<B>()); 23465184aeSDouglas Gregor const A &&ar10 = static_cast<const A&&>(xvalue<A>()); 24465184aeSDouglas Gregor const A &&ar11 = static_cast<const A&&>(xvalue<B>()); 25465184aeSDouglas Gregor } 26