1 // RUN: %clang_cc1 %s -fsyntax-only -verify -std=c++11
2
3 struct X {};
4 typedef X foo_t;
5
6 foo_t *ptr;
7 char c1 = ptr; // expected-error{{'foo_t *' (aka 'X *')}}
8
9 const foo_t &ref = foo_t();
10 char c2 = ref; // expected-error{{'const foo_t' (aka 'const X')}}
11
12 // deduced auto should not produce an aka.
13 auto aut = X();
14 char c3 = aut; // expected-error{{from 'X' to 'char'}}
15
16 // There are two classes named Foo::foo here. Make sure the message gives
17 // a way to them apart.
18 namespace Foo {
19 class foo {};
20 }
21
22 namespace bar {
23 namespace Foo {
24 class foo;
25 }
26 void f(Foo::foo* x); // expected-note{{passing argument to parameter 'x' here}}
27 }
28
test(Foo::foo * x)29 void test(Foo::foo* x) {
30 bar::f(x); // expected-error{{cannot initialize a parameter of type 'Foo::foo *' (aka 'bar::Foo::foo *') with an lvalue of type 'Foo::foo *'}}
31 }
32
33 // PR9548 - "no known conversion from 'vector<string>' to 'vector<string>'"
34 // vector<string> refers to two different types here. Make sure the message
35 // gives a way to tell them apart.
36 class versa_string;
37 typedef versa_string string;
38
39 namespace std {template <typename T> class vector;}
40 using std::vector;
41
42 void f(vector<string> v); // expected-note {{candidate function not viable: no known conversion from 'vector<string>' (aka 'std::vector<std::basic_string>') to 'vector<string>' (aka 'std::vector<versa_string>') for 1st argument}}
43
44 namespace std {
45 class basic_string;
46 typedef basic_string string;
47 template <typename T> class vector {};
g()48 void g() {
49 vector<string> v;
50 f(v); // expected-error{{no matching function for call to 'f'}}
51 }
52 }
53
54 namespace ns {
55 struct str {
methodns::str56 static void method(struct data *) {}
57 };
58 }
59
60 struct data { int i; };
61
62 typedef void (*callback)(struct data *);
63
helper(callback cb)64 void helper(callback cb) {} // expected-note{{candidate function not viable: no known conversion from 'void (*)(struct data *)' (aka 'void (*)(ns::data *)') to 'callback' (aka 'void (*)(struct data *)') for 1st argument;}}
65
test()66 void test() {
67 helper(&ns::str::method); // expected-error{{no matching function for call to 'helper'}}
68 }
69