xref: /aosp_15_r20/external/clang/test/CXX/expr/expr.post/expr.dynamic.cast/p3-0x.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
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 
test(X & x,Y & y,Z & z)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