clang/test/CXX/dcl.dcl/dcl.spec/dcl.stc/p9.cpp

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