instantiate-expr-3.cpp
4.58 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s
// ---------------------------------------------------------------------
// Imaginary literals
// ---------------------------------------------------------------------
template<typename T>
struct ImaginaryLiteral0 {
void f(T &x) {
x = 3.0I; // expected-error{{incompatible type}}
}
};
template struct ImaginaryLiteral0<_Complex float>;
template struct ImaginaryLiteral0<int*>; // expected-note{{instantiation}}
// ---------------------------------------------------------------------
// Compound assignment operator
// ---------------------------------------------------------------------
namespace N1 {
struct X { };
int& operator+=(X&, int); // expected-note{{candidate}}
}
namespace N2 {
long& operator+=(N1::X&, long);
template<typename T, typename U, typename Result>
struct PlusEquals0 {
void f(T t, U u) {
Result r = t += u; // expected-error{{ambiguous}}
}
};
}
namespace N3 {
struct Y : public N1::X {
short& operator+=(long); // expected-note{{candidate}}
};
}
template struct N2::PlusEquals0<N1::X, int, int&>;
template struct N2::PlusEquals0<N1::X, long, long&>;
template struct N2::PlusEquals0<N3::Y, long, short&>;
template struct N2::PlusEquals0<int, int, int&>;
template struct N2::PlusEquals0<N3::Y, int, short&>; // expected-note{{instantiation}}
// ---------------------------------------------------------------------
// Conditional operator
// ---------------------------------------------------------------------
template<typename T, typename U, typename Result>
struct Conditional0 {
void f(T t, U u) {
Result result = t? : u;
}
};
template struct Conditional0<int, int, int>;
// ---------------------------------------------------------------------
// Statement expressions
// ---------------------------------------------------------------------
template<typename T>
struct StatementExpr0 {
void f(T t) {
(void)({
if (t) // expected-error{{contextually convertible}}
t = t + 17;
t + 12; // expected-error{{invalid operands}}
});
}
};
template struct StatementExpr0<int>;
template struct StatementExpr0<N1::X>; // expected-note{{instantiation}}
// ---------------------------------------------------------------------
// __builtin_choose_expr
// ---------------------------------------------------------------------
template<bool Cond, typename T, typename U, typename Result>
struct Choose0 {
void f(T t, U u) {
Result r = __builtin_choose_expr(Cond, t, u); // expected-error{{lvalue}}
}
};
template struct Choose0<true, int, float, int&>;
template struct Choose0<false, int, float, float&>;
template struct Choose0<true, int, float, float&>; // expected-note{{instantiation}}
// ---------------------------------------------------------------------
// __builtin_va_arg
// ---------------------------------------------------------------------
template<typename ArgType>
struct VaArg0 {
void f(int n, ...) {
__builtin_va_list va;
__builtin_va_start(va, n);
for (int i = 0; i != n; ++i)
(void)__builtin_va_arg(va, ArgType);
__builtin_va_end(va);
}
};
template struct VaArg0<int>;
template<typename VaList, typename ArgType>
struct VaArg1 {
void f(int n, ...) {
VaList va;
__builtin_va_start(va, n); // expected-error{{int}} expected-error{{char *}}
for (int i = 0; i != n; ++i)
(void)__builtin_va_arg(va, ArgType); // expected-error{{int}}
__builtin_va_end(va); // expected-error{{int}} expected-error{{char *}}
}
};
template struct VaArg1<__builtin_va_list, int>;
template struct VaArg1<__builtin_ms_va_list, int>; // expected-note{{instantiation}}
template struct VaArg1<int, int>; // expected-note{{instantiation}}
template<typename ArgType>
struct VaArg2 {
void __attribute__((ms_abi)) f(int n, ...) {
__builtin_ms_va_list va;
__builtin_ms_va_start(va, n);
for (int i = 0; i != n; ++i)
(void)__builtin_va_arg(va, ArgType);
__builtin_ms_va_end(va);
}
};
template struct VaArg2<int>;
template<typename VaList, typename ArgType>
struct VaArg3 {
void __attribute__((ms_abi)) f(int n, ...) {
VaList va;
__builtin_ms_va_start(va, n); // expected-error{{int}} expected-error{{__va_list_tag}}
for (int i = 0; i != n; ++i)
(void)__builtin_va_arg(va, ArgType); // expected-error{{int}}
__builtin_ms_va_end(va); // expected-error{{int}} expected-error{{__va_list_tag}}
}
};
template struct VaArg3<__builtin_ms_va_list, int>;
template struct VaArg3<__builtin_va_list, int>; // expected-note{{instantiation}}
template struct VaArg3<int, int>; // expected-note{{instantiation}}