xref: /aosp_15_r20/external/clang/test/CXX/class.derived/class.member.lookup/p8.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li // FIXME: Access control checks
4*67e74705SXin Li 
5*67e74705SXin Li namespace PR5820 {
6*67e74705SXin Li   // also <rdar://problem/7535045>
7*67e74705SXin Li   struct Base {
8*67e74705SXin Li     void Foo();
9*67e74705SXin Li     int Member;
10*67e74705SXin Li   };
11*67e74705SXin Li 
12*67e74705SXin Li   struct D1 : public Base {};
13*67e74705SXin Li   struct D2 : public Base {};
14*67e74705SXin Li 
15*67e74705SXin Li   struct Derived : public D1, public D2 {
16*67e74705SXin Li     void Inner();
17*67e74705SXin Li   };
18*67e74705SXin Li 
Test()19*67e74705SXin Li   void Test() {
20*67e74705SXin Li     Derived d;
21*67e74705SXin Li     d.D1::Foo();
22*67e74705SXin Li     d.D1::Member = 17;
23*67e74705SXin Li   }
24*67e74705SXin Li 
Inner()25*67e74705SXin Li   void Derived::Inner() {
26*67e74705SXin Li     D1::Foo();
27*67e74705SXin Li     D1::Member = 42;
28*67e74705SXin Li     this->D1::Foo();
29*67e74705SXin Li     this->D1::Member = 42;
30*67e74705SXin Li   }
31*67e74705SXin Li }
32*67e74705SXin Li 
33*67e74705SXin Li template<typename T>
34*67e74705SXin Li struct BaseT {
35*67e74705SXin Li   void Foo(); // expected-note{{found by ambiguous name lookup}}
36*67e74705SXin Li   int Member;
37*67e74705SXin Li };
38*67e74705SXin Li 
39*67e74705SXin Li template<typename T> struct Derived1T : BaseT<T> { };
40*67e74705SXin Li template<typename T> struct Derived2T : BaseT<T> { };
41*67e74705SXin Li 
42*67e74705SXin Li template<typename T>
43*67e74705SXin Li struct DerivedT : public Derived1T<T>, public Derived2T<T> {
44*67e74705SXin Li   void Inner();
45*67e74705SXin Li };
46*67e74705SXin Li 
47*67e74705SXin Li template<typename T>
Inner()48*67e74705SXin Li void DerivedT<T>::Inner() {
49*67e74705SXin Li   Derived1T<T>::Foo();
50*67e74705SXin Li   Derived2T<T>::Member = 42;
51*67e74705SXin Li   this->Derived1T<T>::Foo();
52*67e74705SXin Li   this->Derived2T<T>::Member = 42;
53*67e74705SXin Li   this->Foo(); // expected-error{{non-static member 'Foo' found in multiple base-class subobjects of type 'BaseT<int>'}}
54*67e74705SXin Li }
55*67e74705SXin Li 
56*67e74705SXin Li template<typename T>
Test(DerivedT<T> d)57*67e74705SXin Li void Test(DerivedT<T> d) {
58*67e74705SXin Li   d.template Derived1T<T>::Foo();
59*67e74705SXin Li   d.template Derived2T<T>::Member = 17;
60*67e74705SXin Li   d.Inner(); // expected-note{{in instantiation}}
61*67e74705SXin Li }
62*67e74705SXin Li 
63*67e74705SXin Li template void Test(DerivedT<int>);
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