12 lines · cpp
1// RUN: %clang_cc1 -verify %s2 3struct S; // expected-note 2{{forward declaration of 'S'}}4extern S a;5extern S f(); // expected-note {{'f' declared here}}6extern void g(S a);7 8void h() {9 g(a); // expected-error {{argument type 'S' is incomplete}}10 f(); // expected-error {{calling 'f' with incomplete return type 'S'}}11}12