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1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2 // expected-no-diagnostics
3 
4 template<typename T>
5 struct classify_function {
6   static const unsigned value = 0;
7 };
8 
9 template<typename R, typename ...Args>
10 struct classify_function<R(Args...)> {
11   static const unsigned value = 1;
12 };
13 
14 template<typename R, typename ...Args>
15 struct classify_function<R(Args...) const> {
16   static const unsigned value = 2;
17 };
18 
19 template<typename R, typename ...Args>
20 struct classify_function<R(Args...) volatile> {
21   static const unsigned value = 3;
22 };
23 
24 template<typename R, typename ...Args>
25 struct classify_function<R(Args...) const volatile> {
26   static const unsigned value = 4;
27 };
28 
29 template<typename R, typename ...Args>
30 struct classify_function<R(Args..., ...)> {
31   static const unsigned value = 5;
32 };
33 
34 template<typename R, typename ...Args>
35 struct classify_function<R(Args..., ...) const> {
36   static const unsigned value = 6;
37 };
38 
39 template<typename R, typename ...Args>
40 struct classify_function<R(Args..., ...) volatile> {
41   static const unsigned value = 7;
42 };
43 
44 template<typename R, typename ...Args>
45 struct classify_function<R(Args..., ...) const volatile> {
46   static const unsigned value = 8;
47 };
48 
49 template<typename R, typename ...Args>
50 struct classify_function<R(Args..., ...) &&> {
51   static const unsigned value = 9;
52 };
53 
54 template<typename R, typename ...Args>
55 struct classify_function<R(Args..., ...) const &> {
56   static const unsigned value = 10;
57 };
58 
59 typedef void f0(int) const;
60 typedef void f1(int, float...) const volatile;
61 typedef void f2(int, double, ...) &&;
62 typedef void f3(int, double, ...) const &;
63 
64 int check0[classify_function<f0>::value == 2? 1 : -1];
65 int check1[classify_function<f1>::value == 8? 1 : -1];
66 int check2[classify_function<f2>::value == 9? 1 : -1];
67 int check3[classify_function<f3>::value == 10? 1 : -1];
68