| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| // C++03 [namespace.udecl]p11: |
| // If a function declaration in namespace scope or block scope has |
| // the same name and the same parameter types as a function |
| // introduced by a using-declaration, the program is |
| // ill-formed. [Note: two using-declarations may introduce functions |
| // with the same name and the same parameter types. If, for a call |
| // to an unqualified function name, function overload resolution |
| // selects the functions introduced by such using-declarations, the |
| // function call is ill-formed. |
| |
| namespace test0 { |
| namespace ns { void foo(); } // expected-note {{target of using declaration}} |
| int foo(void); // expected-note {{conflicting declaration}} |
| using ns::foo; // expected-error {{target of using declaration conflicts with declaration already in scope}} |
| } |
| |
| namespace test1 { |
| namespace ns { void foo(); } // expected-note {{target of using declaration}} |
| using ns::foo; //expected-note {{using declaration}} |
| int foo(void); // expected-error {{declaration conflicts with target of using declaration already in scope}} |
| } |
| |
| namespace test2 { |
| namespace ns { void foo(); } // expected-note 2 {{target of using declaration}} |
| void test0() { |
| int foo(void); // expected-note {{conflicting declaration}} |
| using ns::foo; // expected-error {{target of using declaration conflicts with declaration already in scope}} |
| } |
| |
| void test1() { |
| using ns::foo; //expected-note {{using declaration}} |
| int foo(void); // expected-error {{declaration conflicts with target of using declaration already in scope}} |
| } |
| } |
| |
| namespace test3 { |
| namespace ns { void foo(); } // expected-note 2 {{target of using declaration}} |
| class Test0 { |
| void test() { |
| int foo(void); // expected-note {{conflicting declaration}} |
| using ns::foo; // expected-error {{target of using declaration conflicts with declaration already in scope}} |
| } |
| }; |
| |
| class Test1 { |
| void test() { |
| using ns::foo; //expected-note {{using declaration}} |
| int foo(void); // expected-error {{declaration conflicts with target of using declaration already in scope}} |
| } |
| }; |
| } |
| |
| namespace test4 { |
| namespace ns { void foo(); } // expected-note 2 {{target of using declaration}} |
| template <typename> class Test0 { |
| void test() { |
| int foo(void); // expected-note {{conflicting declaration}} |
| using ns::foo; // expected-error {{target of using declaration conflicts with declaration already in scope}} |
| } |
| }; |
| |
| template <typename> class Test1 { |
| void test() { |
| using ns::foo; //expected-note {{using declaration}} |
| int foo(void); // expected-error {{declaration conflicts with target of using declaration already in scope}} |
| } |
| }; |
| } |
| |
| // FIXME: we should be able to diagnose both of these, but we can't. |
| namespace test5 { |
| namespace ns { void foo(int); } |
| template <typename T> class Test0 { |
| void test() { |
| int foo(T); |
| using ns::foo; |
| } |
| }; |
| |
| template <typename T> class Test1 { |
| void test() { |
| using ns::foo; |
| int foo(T); |
| } |
| }; |
| |
| template class Test0<int>; |
| template class Test1<int>; |
| } |