1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
2 // expected-no-diagnostics
3
4 // 13.3.3.2 Ranking implicit conversion sequences
5 // conversion of A::* to B::* is better than conversion of A::* to C::*,
6 struct A {
7 int Ai;
8 };
9
10 struct B : public A {};
11 struct C : public B {};
12
f(int C::*)13 const char * f(int C::*){ return ""; }
f(int B::*)14 int f(int B::*) { return 1; }
15
16 struct D : public C {};
17
g(int B::*)18 const char * g(int B::*){ return ""; }
g(int D::*)19 int g(int D::*) { return 1; }
20
test()21 void test()
22 {
23 int i = f(&A::Ai);
24
25 const char * str = g(&A::Ai);
26 }
27
28 // conversion of B::* to C::* is better than conversion of A::* to C::*
29 typedef void (A::*pmfa)();
30 typedef void (B::*pmfb)();
31 typedef void (C::*pmfc)();
32
33 struct X {
34 operator pmfa();
35 operator pmfb();
36 };
37
38
39 void g(pmfc);
40
test2(X x)41 void test2(X x)
42 {
43 g(x);
44 }
45
46