1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 // PR5741
4 namespace test0 {
5   struct A {
6     struct B { };
7     struct C;
8   };
9 
10   struct A::C : B { };
11 }
12 
13 // Test that successive base specifiers don't screw with each other.
14 namespace test1 {
15   struct Opaque1 {};
16   struct Opaque2 {};
17 
18   struct A {
19     struct B { B(Opaque1); };
20   };
21   struct B {
22     B(Opaque2);
23   };
24 
25   struct C : A, B {
26     // Apparently the base-or-member lookup is actually ambiguous
27     // without this qualification.
Ctest1::C28     C() : A(), test1::B(Opaque2()) {}
29   };
30 }
31 
32 // Test that we don't find the injected class name when parsing base
33 // specifiers.
34 namespace test2 {
35   template <class T> struct bar {};
36   template <class T> struct foo : bar<foo> {}; // expected-error {{use of class template 'foo' requires template arguments}} expected-note {{template is declared here}}
37 }
38