1// RUN: %clang_cc1 %s -fsyntax-only -verify -std=c++11 2 3struct X {}; 4typedef X foo_t; 5 6foo_t *ptr; 7char c1 = ptr; // expected-error{{'foo_t *' (aka 'X *')}} 8 9const foo_t &ref = foo_t(); 10char c2 = ref; // expected-error{{'const foo_t' (aka 'const X')}} 11 12// deduced auto should not produce an aka. 13auto aut = X(); 14char 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. 18namespace Foo { 19 class foo {}; 20} 21 22namespace bar { 23 namespace Foo { 24 class foo; 25 } 26 void f(Foo::foo* x); // expected-note{{passing argument to parameter 'x' here}} 27} 28 29void 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 33namespace ns { 34 struct str { 35 static void method(struct data *) {} 36 }; 37} 38 39struct data { int i; }; 40 41typedef void (*callback)(struct data *); 42 43void 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 45void test() { 46 helper(&ns::str::method); // expected-error{{no matching function for call to 'helper'}} 47} 48 49template <typename T> 50class A {}; 51 52int a1 = A<decltype(1 + 2)>(); // expected-error{{no viable conversion from 'A<decltype(1 + 2)>' (aka 'A<int>') to 'int'}} 53int a2 = A<A<decltype(1 + 2)>>(); // expected-error{{no viable conversion from 'A<A<decltype(1 + 2)> >' (aka 'A<A<int> >') to 'int'}} 54int a3 = A<__typeof(1 + 2)>(); // expected-error{{no viable conversion from 'A<typeof (1 + 2)>' (aka 'A<int>') to 'int'}} 55int a4 = A<A<__typeof(1 + 2)>>(); // expected-error{{no viable conversion from 'A<A<typeof (1 + 2)> >' (aka 'A<A<int> >') to 'int'}} 56 57using B = A<decltype(1+2)>; 58int a5 = B(); // expected-error{{no viable conversion from 'B' (aka 'A<int>') to 'int'}} 59 60decltype(void()) (&f1)() = 0; // expected-error{{non-const lvalue reference to type 'decltype(void()) ()' (aka 'void ()') cannot bind to a temporary of type 'int'}} 61decltype(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'}} 62void (&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'}} 63decltype(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'}} 64auto (&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