clang/test/CXX/expr/expr.post/expr.dynamic.cast/p3-0x.cpp

   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 }