xref: /aosp_15_r20/external/clang/test/SemaCXX/ptrtomember-overload-resolution.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
2*67e74705SXin Li // expected-no-diagnostics
3*67e74705SXin Li 
4*67e74705SXin Li // 13.3.3.2 Ranking implicit conversion sequences
5*67e74705SXin Li // conversion of A::* to B::* is better than conversion of A::* to C::*,
6*67e74705SXin Li struct A {
7*67e74705SXin Li int Ai;
8*67e74705SXin Li };
9*67e74705SXin Li 
10*67e74705SXin Li struct B : public A {};
11*67e74705SXin Li struct C : public B {};
12*67e74705SXin Li 
f(int C::*)13*67e74705SXin Li const char * f(int C::*){ return ""; }
f(int B::*)14*67e74705SXin Li int f(int B::*) { return 1; }
15*67e74705SXin Li 
16*67e74705SXin Li struct D : public C {};
17*67e74705SXin Li 
g(int B::*)18*67e74705SXin Li const char * g(int B::*){ return ""; }
g(int D::*)19*67e74705SXin Li int g(int D::*) { return 1; }
20*67e74705SXin Li 
test()21*67e74705SXin Li void test()
22*67e74705SXin Li {
23*67e74705SXin Li   int i = f(&A::Ai);
24*67e74705SXin Li 
25*67e74705SXin Li   const char * str = g(&A::Ai);
26*67e74705SXin Li }
27*67e74705SXin Li 
28*67e74705SXin Li // conversion of B::* to C::* is better than conversion of A::* to C::*
29*67e74705SXin Li typedef void (A::*pmfa)();
30*67e74705SXin Li typedef void (B::*pmfb)();
31*67e74705SXin Li typedef void (C::*pmfc)();
32*67e74705SXin Li 
33*67e74705SXin Li struct X {
34*67e74705SXin Li 	operator pmfa();
35*67e74705SXin Li 	operator pmfb();
36*67e74705SXin Li };
37*67e74705SXin Li 
38*67e74705SXin Li 
39*67e74705SXin Li void g(pmfc);
40*67e74705SXin Li 
test2(X x)41*67e74705SXin Li void test2(X x)
42*67e74705SXin Li {
43*67e74705SXin Li     g(x);
44*67e74705SXin Li }
45*67e74705SXin Li 
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