lookup-dependent-bases.cpp source code [clang_source_code/test/SemaTemplate/lookup-dependent-bases.cpp]

1	// RUN: %clang_cc1 -fms-compatibility -fsyntax-only -verify %s
2
3	namespace basic {
4	struct C {
5	static void foo2() {}
6	};
7	template <typename T>
8	struct A {
9	typedef C D;
10	};
11
12	template <typename T>
13	struct B : A<T> {
14	void foo() {
15	D::foo2(); // expected-warning {{use of undeclared identifier 'D'; unqualified lookup into dependent bases of class template 'B' is a Microsoft extension}}
16	}
17	};
18
19	template struct B<int>; // Instantiation has no warnings.
20	}
21
22	namespace nested_nodep_base {
23	// There are limits to our hacks, MSVC accepts this, but we don't.
24	struct A {
25	struct D { static void foo2(); };
26	};
27	template <typename T>
28	struct B : T {
29	struct C {
30	void foo() {
31	D::foo2(); // expected-error {{use of undeclared identifier 'D'}}
32	}
33	};
34	};
35
36	template struct B<A>; // Instantiation has no warnings.
37	}
38
39	namespace nested_dep_base {
40	// We actually accept this because the inner class has a dependent base even
41	// though it isn't a template.
42	struct A {
43	struct D { static void foo2(); };
44	};
45	template <typename T>
46	struct B {
47	struct C : T {
48	void foo() {
49	D::foo2(); // expected-warning {{use of undeclared identifier 'D'; unqualified lookup into dependent bases of class template 'C' is a Microsoft extension}}
50	}
51	};
52	};
53
54	template struct B<A>; // Instantiation has no warnings.
55	}
56

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