1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 namespace A {
4   struct x {}; // expected-note {{candidate found by name lookup is 'A::x'}}
5   int x; // expected-note {{candidate found by name lookup is 'A::x'}}
6 
7   struct y {}; // expected-note {{type declaration hidden}}
8 
9   struct z;
10   void z(float);
11 }
12 
13 namespace B {
14   struct x {}; // expected-note {{candidate found by name lookup is 'B::x'}}
15   float x; // expected-note {{candidate found by name lookup is 'B::x'}}
16 
17   float y; // expected-note {{declaration hides type}}
18 
19   void z(int);
20 }
21 
22 namespace AB {
23   using namespace A;
24   using namespace B;
25 }
26 
27 void test() {
28   struct AB::x foo; // expected-error {{reference to 'x' is ambiguous}}
29   int i = AB::x; // expected-error {{reference to 'x' is ambiguous}}
30 
31   struct AB::y bar;
32   float f = AB::y; // expected-error {{a type named 'y' is hidden by a declaration in a different namespace}}
33   AB::z(i);
34   AB::z(f);
35 }
36