D144358 [LLVM-LIT-TEST]

// RUN: %clang_cc1 -fsyntax-only -verify=expected %s
// RUN: %clang_cc1 -x c++ -fsyntax-only -verify=cxx,expected %s



struct foo; // expected-note 5 {{forward declaration of 'struct foo'}}

void b;  // expected-error {{variable has incomplete type 'void'}}
struct foo f; // expected-error{{tentative definition has type 'struct foo' that is never completed}}

static void c; // expected-error {{variable has incomplete type 'void'}}
static struct foo g;  // expected-warning {{tentative definition of variable with internal linkage has incomplete non-array type 'struct foo'}} \
    expected-error{{tentative definition has type 'struct foo' that is never completed}}

extern void d;
extern struct foo e;

int ary[]; // expected-warning {{tentative array definition assumed to have one element}}
struct foo bary[]; // expected-error {{array has incomplete element type 'struct foo'}}

void func(void) {
  int ary[]; // expected-error{{definition of variable with array type needs an explicit size or an initializer}}
  void b; // expected-error {{variable has incomplete type 'void'}}
  struct foo f; // expected-error {{variable has incomplete type 'struct foo'}}
}

int h[]; // expected-warning {{tentative array definition assumed to have one element}}
int (*i)[] = &h+1; // expected-error {{arithmetic on a pointer to an incomplete type 'int[]'}}

struct bar j = {1}; // expected-error {{variable has incomplete type 'struct bar'}} \
    expected-note {{forward declaration of 'struct bar'}}
struct bar k;
struct bar { int a; };
struct x y; //expected-note {{forward declaration of 'struct x'}} \
//expected-note {{forward declaration of 'struct x'}}
void foo() {
  (void)(1 ? y : y); // expected-error {{incomplete type 'struct x' where a complete type is required}} \
      expected-error {{incomplete type 'struct x' where a complete type is required}}
}
struct x{
  int a;
};