test/Sema/incomplete-decl.c

   1 // RUN: clang-cc -fsyntax-only -verify %s
   2
   3 struct foo; // expected-note 4 {{forward declaration of 'struct foo'}}
   4
   5 void b;  // expected-error {{variable has incomplete type 'void'}}
   6 struct foo f; // expected-error{{tentative definition has type 'struct foo' that is never completed}}
   7
   8 static void c; // expected-error {{variable has incomplete type 'void'}}
   9 static struct foo g;  // expected-error {{variable has incomplete type 'struct foo'}}
  10
  11 extern void d;
  12 extern struct foo e;
  13
  14 int ary[]; // expected-warning {{tentative array definition assumed to have one element}}
  15 struct foo bary[]; // expected-error {{array has incomplete element type 'struct foo'}}
  16
  17 void func() {
  18   int ary[]; // expected-error{{variable has incomplete type 'int []'}}
  19   void b; // expected-error {{variable has incomplete type 'void'}}
  20   struct foo f; // expected-error {{variable has incomplete type 'struct foo'}}
  21 }
  22
  23 int h[]; // expected-warning {{tentative array definition assumed to have one element}}
  24 int (*i)[] = &h+1; // expected-error {{arithmetic on pointer to incomplete type 'int (*)[]'}}
  25
  26 struct bar j = {1}; // expected-error {{variable has incomplete type 'struct bar'}} \
  27     expected-note {{forward declaration of 'struct bar'}}
  28 struct bar k;
  29 struct bar { int a; };
  30