| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
|---|
| 2 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s |
|---|
| 3 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
|---|
| 4 | |
|---|
| 5 | class C { |
|---|
| 6 | friend class D; |
|---|
| 7 | }; |
|---|
| 8 | |
|---|
| 9 | class A { |
|---|
| 10 | public: |
|---|
| 11 | void f(); |
|---|
| 12 | }; |
|---|
| 13 | |
|---|
| 14 | friend int x; // expected-error {{'friend' used outside of class}} |
|---|
| 15 | |
|---|
| 16 | friend class D {}; // expected-error {{'friend' used outside of class}} |
|---|
| 17 | |
|---|
| 18 | union U { |
|---|
| 19 | int u1; |
|---|
| 20 | }; |
|---|
| 21 | |
|---|
| 22 | class B { |
|---|
| 23 | // 'A' here should refer to the declaration above. |
|---|
| 24 | friend class A; |
|---|
| 25 | |
|---|
| 26 | friend C; |
|---|
| 27 | #if __cplusplus <= 199711L |
|---|
| 28 | // expected-warning@-2 {{unelaborated friend declaration is a C++11 extension; specify 'class' to befriend 'C'}} |
|---|
| 29 | #endif |
|---|
| 30 | |
|---|
| 31 | friend U; |
|---|
| 32 | #if __cplusplus <= 199711L |
|---|
| 33 | // expected-warning@-2 {{unelaborated friend declaration is a C++11 extension; specify 'union' to befriend 'U'}} |
|---|
| 34 | #endif |
|---|
| 35 | |
|---|
| 36 | friend int; |
|---|
| 37 | #if __cplusplus <= 199711L |
|---|
| 38 | // expected-warning@-2 {{non-class friend type 'int' is a C++11 extension}} |
|---|
| 39 | #endif |
|---|
| 40 | |
|---|
| 41 | friend void myfunc(); |
|---|
| 42 | |
|---|
| 43 | void f(A *a) { a->f(); } |
|---|
| 44 | }; |
|---|
| 45 | |
|---|
| 46 | inline void bar() {} // expected-note {{previous definition is here}} |
|---|
| 47 | class E { |
|---|
| 48 | friend void bar() {} // expected-error {{redefinition of 'bar'}} |
|---|
| 49 | }; |
|---|
| 50 | |
|---|
| 51 | |
|---|
| 52 | |
|---|
| 53 | |
|---|
| 54 | template <typename t1, typename t2> class some_template; |
|---|
| 55 | friend // expected-error {{'friend' used outside of class}} |
|---|
| 56 | some_template<foo, bar>& // expected-error {{use of undeclared identifier 'foo'}} |
|---|
| 57 | ; // expected-error {{expected unqualified-id}} |
|---|
| 58 | |
|---|