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 // rdar4641403
6 namespace N {
7   struct X { // expected-note{{candidate found by name lookup}}
8     float b;
9   };
10 }
11 
12 using namespace N;
13 
14 typedef struct {
15   int a;
16 } X; // expected-note{{candidate found by name lookup}}
17 
18 
19 struct Y { };
Y(int)20 void Y(int) { }
21 
f()22 void f() {
23   X *x; // expected-error{{reference to 'X' is ambiguous}}
24   Y(1); // okay
25 }
26 
27 namespace PR17731 {
f()28   void f() {
29     struct S { S() {} };
30     int S(void);
31     int a = S();
32     struct S b;
33     {
34       int S(void);
35       int a = S();
36       struct S c = b;
37     }
38     {
39       struct S { S() {} }; // expected-note {{candidate constructor (the implicit copy constructor) not viable}}
40 #if __cplusplus >= 201103L // C++11 or later
41       // expected-note@-2 {{candidate constructor (the implicit move constructor) not viable}}
42 #endif
43       int a = S(); // expected-error {{no viable conversion from 'S'}}
44       struct S c = b; // expected-error {{no viable conversion from 'struct S'}}
45     }
46   }
g()47   void g() {
48     int S(void);
49     struct S { S() {} };
50     int a = S();
51     struct S b;
52     {
53       int S(void);
54       int a = S();
55       struct S c = b;
56     }
57     {
58       struct S { S() {} }; // expected-note {{candidate constructor (the implicit copy constructor) not viable}}
59 #if __cplusplus >= 201103L // C++11 or later
60       // expected-note@-2 {{candidate constructor (the implicit move constructor) not viable}}
61 #endif
62       int a = S(); // expected-error {{no viable conversion from 'S'}}
63       struct S c = b; // expected-error {{no viable conversion from 'struct S'}}
64     }
65   }
66 
67   struct A {
68     struct B;
69     void f();
70     int B;
71   };
72   struct A::B {};
f()73   void A::f() {
74     B = 123;
75     struct B b;
76   }
77 }
78