clang/test/SemaTemplate/member-access-ambig.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-unused-comparison %s
   2
   3 // PR8439
   4 class A
   5 {
   6 };
   7
   8 class B
   9 {
  10 public:
  11   A & m;
  12 };
  13
  14 class Base
  15 {
  16 public:
  17   B &f();
  18 };
  19
  20 class Derived1 : public Base { };
  21
  22 class Derived2 : public Base { };
  23
  24 class X : public B, public Derived2, public Derived1
  25 {
  26 public:
  27   virtual void g();
  28 };
  29
  30 void X::g()
  31 {
  32   m.f<int>(); // expected-error{{no member named 'f' in 'A'}} \
  33   // expected-error{{expected '(' for function-style cast}} \
  34   // expected-error{{expected expression}}
  35 }
  36
  37 namespace PR11134 {
  38   template<typename Derived> class A;
  39   template<typename Derived> class B : A<Derived> {
  40     typedef A<Derived> Base;
  41     using Base::member;
  42     int member;
  43   };
  44 }
  45
  46 namespace AddrOfMember {
  47   struct A { int X; };
  48   typedef int (A::*P);
  49   template<typename T> struct S : T {
  50     void f() {
  51       P(&T::X) // expected-error {{cannot cast from type 'int *' to member pointer type 'P'}}
  52           == &A::X;
  53     }
  54   };
  55
  56   void g() {
  57     S<A>().f(); // ok, &T::X is 'int (A::*)', not 'int *', even though T is a base class
  58   }
  59
  60   struct B : A { static int X; };
  61   void h() {
  62     S<B>().f(); // expected-note {{here}}
  63   }
  64 }