// RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x %s struct A {}; // expected-note {{candidate is the implicit copy constructor}} struct BASE { operator A(); // expected-note {{candidate function}} }; struct BASE1 { operator A(); // expected-note {{candidate function}} }; class B : public BASE , public BASE1 { public: B(); } b; extern B f(); const int& ri = (void)0; // expected-error {{reference to type 'int const' could not bind to an rvalue of type 'void'}} int main() { const A& rca = f(); // expected-error {{reference initialization of type 'struct A const &' with initializer of type 'class B' is ambiguous}} A& ra = f(); // expected-error {{non-const lvalue reference to type 'struct A' cannot bind to a temporary of type 'class B'}} }