1// RUN: %clang_cc1 -fsyntax-only %s -verify
2// PR5692
3
4enum x;            // expected-note   {{forward declaration}}
5extern struct y a; // expected-note   {{forward declaration}}
6extern union z b;  // expected-note 2 {{forward declaration}}
7
8void foo() {
9  (enum x)1;   // expected-error {{cast to incomplete type}}
10  (struct y)a; // expected-error {{cast to incomplete type}}
11  (union z)b;  // expected-error {{cast to incomplete type}}
12  (union z)1;  // expected-error {{cast to incomplete type}}
13}
14
15