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 | |
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 | namespace ns { |
34 | struct str { |
35 | static void method(struct data *) {} |
36 | }; |
37 | } |
38 | |
39 | struct data { int i; }; |
40 | |
41 | typedef void (*callback)(struct data *); |
42 | |
43 | 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}} |
44 | |
45 | void test() { |
46 | helper(&ns::str::method); // expected-error{{no matching function for call to 'helper'}} |
47 | } |
48 | |
49 | template <typename T> |
50 | class A {}; |
51 | |
52 | int a1 = A<decltype(1 + 2)>(); // expected-error{{no viable conversion from 'A<decltype(1 + 2)>' (aka 'A<int>') to 'int'}} |
53 | int a2 = A<A<decltype(1 + 2)>>(); // expected-error{{no viable conversion from 'A<A<decltype(1 + 2)> >' (aka 'A<A<int> >') to 'int'}} |
54 | int a3 = A<__typeof(1 + 2)>(); // expected-error{{no viable conversion from 'A<typeof (1 + 2)>' (aka 'A<int>') to 'int'}} |
55 | int a4 = A<A<__typeof(1 + 2)>>(); // expected-error{{no viable conversion from 'A<A<typeof (1 + 2)> >' (aka 'A<A<int> >') to 'int'}} |
56 | |
57 | using B = A<decltype(1+2)>; |
58 | int a5 = B(); // expected-error{{no viable conversion from 'B' (aka 'A<int>') to 'int'}} |
59 | |
60 | decltype(void()) (&f1)() = 0; // expected-error{{non-const lvalue reference to type 'decltype(void()) ()' (aka 'void ()') cannot bind to a temporary of type 'int'}} |
61 | decltype(void()) (&f2)(int) = 0; // expected-error{{non-const lvalue reference to type 'decltype(void()) (int)' (aka 'void (int)') cannot bind to a temporary of type 'int'}} |
62 | void (&f3)(decltype(1 + 2)) = 0; // expected-error{{non-const lvalue reference to type 'void (decltype(1 + 2))' (aka 'void (int)') cannot bind to a temporary of type 'int'}} |
63 | decltype(1+2) (&f4)(double, decltype(1 + 2)) = 0; // expected-error{{non-const lvalue reference to type 'decltype(1 + 2) (double, decltype(1 + 2))' (aka 'int (double, int)') cannot bind to a temporary of type 'int'}} |
64 | auto (&f5)() -> decltype(1+2) = 0; // expected-error{{non-const lvalue reference to type 'auto () -> decltype(1 + 2)' (aka 'auto () -> int') cannot bind to a temporary of type 'int'}} |
65 | |