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1 // RUN: %clang_cc1 -triple arm64-apple-ios7.0 -std=c++11 -verify %s
2 // expected-no-diagnostics
3 
4 struct true_type {
5   static constexpr const bool value = true;
6 };
7 
8 struct false_type {
9   static constexpr const bool value = false;
10 };
11 
12 template <class _Tp, class _Up> struct is_same           : public false_type {};
13 template <class _Tp>            struct is_same<_Tp, _Tp> : public true_type {};
14 
15 // Check that our 'is_same' works.
16 static_assert(is_same<char, char>::value, "is_same is broken");
17 static_assert(!is_same<char, char *>::value, "is_same is broken");
18 
19 template <class _Tp, unsigned _AlignOf, unsigned _SizeOf>
20 struct check_type {
21   static constexpr const bool value =
22     (alignof(_Tp) == _AlignOf) && (sizeof(_Tp) == _SizeOf);
23 };
24 
25 //===----------------------------------------------------------------------===//
26 // Fundamental types
27 //===----------------------------------------------------------------------===//
28 
29 static_assert(check_type<bool, 1, 1>::value, "bool is wrong");
30 
31 static_assert(check_type<char, 1, 1>::value, "char is wrong");
32 static_assert(check_type<signed char, 1, 1>::value, "signed char is wrong");
33 static_assert(check_type<unsigned char, 1, 1>::value, "unsigned char is wrong");
34 
35 static_assert(check_type<char16_t, 2, 2>::value, "char16_t is wrong");
36 static_assert(check_type<char32_t, 4, 4>::value, "char32_t is wrong");
37 static_assert(check_type<wchar_t, 4, 4>::value, "wchar_t is wrong");
38 
39 static_assert(check_type<short, 2, 2>::value, "short is wrong");
40 static_assert(check_type<unsigned short, 2, 2>::value, "unsigned short is wrong");
41 
42 static_assert(check_type<int, 4, 4>::value, "int is wrong");
43 static_assert(check_type<unsigned int, 4, 4>::value, "unsigned int is wrong");
44 
45 static_assert(check_type<long, 8, 8>::value, "long is wrong");
46 static_assert(check_type<unsigned long, 8, 8>::value, "unsigned long is wrong");
47 
48 static_assert(check_type<long long, 8, 8>::value, "long long is wrong");
49 static_assert(check_type<unsigned long long, 8, 8>::value, "unsigned long long is wrong");
50 
51 static_assert(check_type<float, 4, 4>::value, "float is wrong");
52 static_assert(check_type<double, 8, 8>::value, "double is wrong");
53 static_assert(check_type<long double, 8, 8>::value, "long double is wrong");
54 
55 static_assert(check_type<void *, 8, 8>::value, "'void *' is wrong");
56 static_assert(check_type<int (*)(int), 8, 8>::value, "function pointer is wrong");
57 
58 //===----------------------------------------------------------------------===//
59 // stdarg.h
60 //===----------------------------------------------------------------------===//
61 
62 #include <stdarg.h>
63 
64 static_assert(check_type<va_list, 8, 8>::value, "va_list is wrong");
65 
66 //===----------------------------------------------------------------------===//
67 // stddef.h
68 //===----------------------------------------------------------------------===//
69 
70 #define __STDC_WANT_LIB_EXT1__ 1
71 #include <stddef.h>
72 
73 static_assert(is_same<long int, ::ptrdiff_t>::value, "::ptrdiff_t is wrong");
74 static_assert(is_same<decltype(sizeof(char)), ::size_t>::value, "::size_t is wrong");
75 static_assert(is_same<long unsigned int, ::size_t>::value, "::size_t is wrong");
76 static_assert(is_same<long unsigned int, ::rsize_t>::value, "::rsize_t is wrong");
77 static_assert(is_same<long double, ::max_align_t>::value, "::max_align_t is wrong");
78 
79 #define __need_wint_t
80 #include <stddef.h>
81 
82 static_assert(is_same<int, ::wint_t>::value, "::wint_t is wrong");
83 
84