1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
2 | |
3 | struct X { virtual ~X(); }; |
4 | struct Y : public X { }; |
5 | struct Z; // expected-note{{forward declaration of 'Z'}} |
6 | |
7 | void test(X &x, Y &y, Z &z) { |
8 | // If T is an rvalue reference type, v shall be an expression having |
9 | // a complete class type, and the result is an xvalue of the type |
10 | // referred to by T. |
11 | Y &&yr0 = dynamic_cast<Y&&>(x); |
12 | Y &&yr1 = dynamic_cast<Y&&>(static_cast<X&&>(x)); |
13 | Y &&yr2 = dynamic_cast<Y&&>(z); // expected-error{{'Z' is an incomplete type}} |
14 | } |
15 | |