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 13 const char * f(int C::*){ return ""; } 14 int f(int B::*) { return 1; } 15 16 struct D : public C {}; 17 18 const char * g(int B::*){ return ""; } 19 int g(int D::*) { return 1; } 20 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 41 void test2(X x) 42 { 43 g(x); 44 } 45 46
