1 | // RUN: %clang_cc1 -fms-extensions -fsyntax-only -verify %s -Wno-microsoft |
2 | // RUN: %clang_cc1 -fms-extensions -fdelayed-template-parsing -fsyntax-only -verify %s -Wno-microsoft |
3 | |
4 | class A { |
5 | public: |
6 | template<typename T> struct X { typedef int x; }; |
7 | |
8 | X<int>::x a; // expected-note {{implicit instantiation first required here}} |
9 | |
10 | template<> struct X<int>; // expected-error {{explicit specialization of 'A::X<int>' after instantiation}} |
11 | template<> struct X<char>; // expected-note {{forward declaration}} |
12 | |
13 | X<char>::x b; // expected-error {{incomplete type 'A::X<char>' named in nested name specifier}} |
14 | |
15 | template<> struct X<double> { |
16 | typedef int y; |
17 | }; |
18 | |
19 | X<double>::y c; |
20 | |
21 | template<> struct X<float> {}; // expected-note {{previous definition is here}} |
22 | template<> struct X<float> {}; // expected-error {{redefinition of 'X<float>'}} |
23 | }; |
24 | |
25 | A::X<void>::x axv; |
26 | A::X<float>::x axf; // expected-error {{no type named 'x'}} |
27 | |
28 | template<class T> class B { |
29 | public: |
30 | template<typename U> struct X { typedef int x; }; |
31 | |
32 | typename X<int>::x a; // expected-note {{implicit instantiation first required here}} |
33 | |
34 | template<> struct X<int>; // expected-error {{explicit specialization of 'X<int>' after instantiation}} |
35 | template<> struct X<char>; // expected-note {{forward declaration}} |
36 | |
37 | typename X<char>::x b; // expected-error {{incomplete type 'B<float>::X<char>' named in nested name specifier}} |
38 | |
39 | template<> struct X<double> { |
40 | typedef int y; |
41 | }; |
42 | |
43 | typename X<double>::y c; |
44 | |
45 | template<> struct X<float> {}; // expected-note {{previous definition is here}} |
46 | template<> struct X<T> {}; // expected-error {{redefinition of 'X<float>'}} |
47 | }; |
48 | |
49 | B<float> b; // expected-note {{in instantiation of}} |
50 | |