1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3// Test the use of elaborated-type-specifiers to inject the names of
4// structs (or classes or unions) into an outer scope as described in
5// C++ [basic.scope.pdecl]p5.
6typedef struct S1 {
7  union {
8    struct S2 *x;
9    struct S3 *y;
10  };
11} S1;
12
13bool test_elab(S1 *s1, struct S2 *s2, struct S3 *s3) {
14  if (s1->x == s2) return true;
15  if (s1->y == s3) return true;
16  return false;
17}
18
19namespace NS {
20  class X {
21  public:
22    void test_elab2(struct S4 *s4); // expected-note{{'NS::S4' declared here}}
23  };
24
25  void X::test_elab2(S4 *s4) { } // expected-note{{passing argument to parameter 's4' here}}
26}
27
28void test_X_elab(NS::X x) {
29  struct S4 *s4 = 0;
30  x.test_elab2(s4); // expected-error{{cannot initialize a parameter of type 'NS::S4 *' with an lvalue of type 'struct S4 *'}}
31}
32
33namespace NS {
34  S4 *get_S4();
35}
36
37void test_S5_scope() {
38  S4 *s4; // expected-error{{unknown type name 'S4'; did you mean 'NS::S4'?}}
39}
40
41int test_funcparam_scope(struct S5 * s5) {
42  struct S5 { int y; } *s5_2 = 0;
43  if (s5 == s5_2) return 1; // expected-error {{comparison of distinct pointer types ('struct S5 *' and 'struct S5 *')}}
44  return 0;
45}
46
47namespace test5 {
48  struct A {
49    class __attribute__((visibility("hidden"))) B {};
50
51    void test(class __attribute__((visibility("hidden"), noreturn)) B b) { // expected-warning {{'noreturn' attribute only applies to functions and methods}}
52    }
53  };
54}
55