16   namespace ns { void foo(); } // expected-note {{target of using declaration}}  namespace
18 …using ns::foo; // expected-error {{target of using declaration conflicts with declaration already …
22   namespace ns { void foo(); } // expected-note {{target of using declaration}}  namespace
23   using ns::foo; //expected-note {{using declaration}}
28   namespace ns { void foo(); } // expected-note 2 {{target of using declaration}}  namespace
31 …using ns::foo; // expected-error {{target of using declaration conflicts with declaration already …  in test0()
35     using ns::foo; //expected-note {{using declaration}}  in test1()
41   namespace ns { void foo(); } // expected-note 2 {{target of using declaration}}  namespace
45 …using ns::foo; // expected-error {{target of using declaration conflicts with declaration already …  in test()
51       using ns::foo; //expected-note {{using declaration}}  in test()
58   namespace ns { void foo(); } // expected-note 2 {{target of using declaration}}  namespace
62 …using ns::foo; // expected-error {{target of using declaration conflicts with declaration already …  in test()
68       using ns::foo; //expected-note {{using declaration}}  in test()
76   namespace ns { void foo(int); }  namespace
80       using ns::foo;  in test()
86       using ns::foo;  in test()
96   namespace ns { void foo(); } // expected-note {{target of using declaration}}  namespace
97   using ns::foo; // expected-note {{using declaration}}
98   namespace ns {  namespace