| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| namespace test1 { |
| int x; // expected-note {{previous definition is here}} |
| static int y; // expected-note {{previous definition is here}} |
| void f() {} // expected-note {{previous definition is here}} |
| |
| extern "C" { |
| extern int x; // expected-error {{declaration of 'x' has a different language linkage}} |
| extern int y; // expected-error {{declaration of 'y' has a different language linkage}} |
| void f(); // expected-error {{declaration of 'f' has a different language linkage}} |
| } |
| } |
| |
| extern "C" { |
| static void test2_f() { // expected-note {{previous definition is here}} |
| } |
| static void test2_f(int x) { // expected-error {{conflicting types for 'test2_f'}} |
| } |
| } |
| |
| namespace test3 { |
| extern "C" { |
| namespace { |
| extern int x2; |
| void f2(); |
| } |
| } |
| namespace { |
| int x2; |
| void f2() {} |
| } |
| } |
| |
| namespace test4 { |
| void dummy() { |
| void Bar(); |
| class A { |
| friend void Bar(); |
| }; |
| } |
| } |
| |
| namespace test5 { |
| static void g(); |
| void f() |
| { |
| void g(); |
| } |
| } |
| |
| // pr14898 |
| namespace test6 { |
| template <class _Rp> |
| class __attribute__ ((__visibility__("default"))) shared_future; |
| template <class _Rp> |
| class future { |
| template <class> friend class shared_future; |
| shared_future<_Rp> share(); |
| }; |
| template <class _Rp> future<_Rp> |
| get_future(); |
| template <class _Rp> |
| struct shared_future<_Rp&> { |
| shared_future(future<_Rp&>&& __f); // expected-warning {{rvalue references are a C++11 extension}} |
| }; |
| void f() { |
| typedef int T; |
| get_future<int>(); |
| typedef int& U; |
| shared_future<int&> f1 = get_future<int&>(); |
| } |
| } |