xref: /aosp_15_r20/external/clang/test/CXX/class.derived/class.member.lookup/p6.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li class V {
4*67e74705SXin Li public:
5*67e74705SXin Li   int f();
6*67e74705SXin Li   int x;
7*67e74705SXin Li };
8*67e74705SXin Li 
9*67e74705SXin Li class W {
10*67e74705SXin Li public:
11*67e74705SXin Li   int g(); // expected-note{{member found by ambiguous name lookup}}
12*67e74705SXin Li   int y; // expected-note{{member found by ambiguous name lookup}}
13*67e74705SXin Li };
14*67e74705SXin Li 
15*67e74705SXin Li class B : public virtual V, public W
16*67e74705SXin Li {
17*67e74705SXin Li public:
18*67e74705SXin Li   int f();
19*67e74705SXin Li   int x;
20*67e74705SXin Li   int g();  // expected-note{{member found by ambiguous name lookup}}
21*67e74705SXin Li   int y; // expected-note{{member found by ambiguous name lookup}}
22*67e74705SXin Li };
23*67e74705SXin Li 
24*67e74705SXin Li class C : public virtual V, public W { };
25*67e74705SXin Li 
26*67e74705SXin Li class D : public B, public C { void glorp(); };
27*67e74705SXin Li 
glorp()28*67e74705SXin Li void D::glorp() {
29*67e74705SXin Li   x++;
30*67e74705SXin Li   f();
31*67e74705SXin Li   y++; // expected-error{{member 'y' found in multiple base classes of different types}}
32*67e74705SXin Li   g(); // expected-error{{member 'g' found in multiple base classes of different types}}
33*67e74705SXin Li }
34*67e74705SXin Li 
35*67e74705SXin Li // PR6462
rdbufBaseIO36*67e74705SXin Li struct BaseIO { BaseIO* rdbuf() { return 0; } };
rdbufPcommon37*67e74705SXin Li struct Pcommon : virtual BaseIO { int rdbuf() { return 0; } };
38*67e74705SXin Li struct P : virtual BaseIO, Pcommon {};
39*67e74705SXin Li 
f()40*67e74705SXin Li void f() { P p; p.rdbuf(); }
41