clang/test/Sema/cast-incomplete.c

   1 // RUN: %clang_cc1 -fsyntax-only %s -verify
   2 // PR5692
   3
   4 enum x;            // expected-note   {{forward declaration}}
   5 extern struct y a; // expected-note   {{forward declaration}}
   6 extern union z b;  // expected-note 2 {{forward declaration}}
   7
   8 void 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