1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 2 3 struct a; // expected-note {{forward declaration of 'a'}} \ 4 expected-note {{forward declaration of 'a'}} __anona45dc3800102null5void b(a c = [] { return c; }); // expected-error {{initialization of incomplete type 'a'}} \ 6 expected-error {{variable has incomplete type 'a'}} 7