15 lines · c
1// RUN: %clang_cc1 -fsyntax-only %s -verify2// PR56923 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(void) {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