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
149
150
151
152
153
154
| // RUN: %clang_cc1 -triple %itanium_abi_triple -fsyntax-only -verify %s
// RUN: %clang_cc1 -triple %ms_abi_triple -DMSABI -fsyntax-only -verify %s
// Tests various places where requiring a complete type involves
// instantiation of that type.
template<typename T>
struct X {
X(T);
#ifdef MSABI
// expected-error@+2{{data member instantiated with function type 'long (long)'}}
#endif
T f; // expected-error{{data member instantiated with function type 'float (int)'}} \
// expected-error{{data member instantiated with function type 'int (int)'}} \
// expected-error{{data member instantiated with function type 'char (char)'}} \
// expected-error{{data member instantiated with function type 'short (short)'}} \
// expected-error{{data member instantiated with function type 'float (float)'}}
};
X<int> f() { return 0; }
struct XField {
X<float(int)> xf; // expected-note{{in instantiation of template class 'X<float (int)>' requested here}}
};
void test_subscript(X<double> *ptr1, X<int(int)> *ptr2, int i) {
(void)ptr1[i];
(void)ptr2[i]; // expected-note{{in instantiation of template class 'X<int (int)>' requested here}}
}
void test_arith(X<signed char> *ptr1, X<unsigned char> *ptr2,
X<char(char)> *ptr3, X<short(short)> *ptr4) {
(void)(ptr1 + 5);
(void)(5 + ptr2);
(void)(ptr3 + 5); // expected-note{{in instantiation of template class 'X<char (char)>' requested here}}
(void)(5 + ptr4); // expected-note{{in instantiation of template class 'X<short (short)>' requested here}}
}
void test_new() {
(void)new X<float>(0);
(void)new X<float(float)>; // expected-note{{in instantiation of template class 'X<float (float)>' requested here}}
}
void test_memptr(X<long> *p1, long X<long>::*pm1,
X<long(long)> *p2,
#ifdef MSABI
long (X<long(long)>::*pm2)(long)) { // expected-note{{in instantiation of template class 'X<long (long)>' requested here}}
#else
long (X<long(long)>::*pm2)(long)) {
#endif
(void)(p1->*pm1);
}
// Reference binding to a base
template<typename T>
struct X1 { };
template<typename T>
struct X2 : public T { };
void refbind_base(X2<X1<int> > &x2) {
X1<int> &x1 = x2;
}
// Enumerate constructors for user-defined conversion.
template<typename T>
struct X3 {
X3(T);
};
void enum_constructors(X1<float> &x1) {
X3<X1<float> > x3 = x1;
}
namespace PR6376 {
template<typename T, typename U> struct W { };
template<typename T>
struct X {
template<typename U>
struct apply {
typedef W<T, U> type;
};
};
template<typename T, typename U>
struct Y : public X<T>::template apply<U>::type { };
template struct Y<int, float>;
}
namespace TemporaryObjectCopy {
// Make sure we instantiate classes when we create a temporary copy.
template<typename T>
struct X {
X(T);
};
template<typename T>
void f(T t) {
const X<int> &x = X<int>(t);
}
template void f(int);
}
namespace PR7080 {
template <class T, class U>
class X
{
typedef char true_t;
class false_t { char dummy[2]; };
static true_t dispatch(U);
static false_t dispatch(...);
static T trigger();
public:
enum { value = sizeof(dispatch(trigger())) == sizeof(true_t) };
};
template <class T>
class rv : public T
{ };
bool x = X<int, rv<int>&>::value;
}
namespace pr7199 {
template <class T> class A; // expected-note {{template is declared here}}
template <class T> class B {
class A<T>::C field; // expected-error {{implicit instantiation of undefined template 'pr7199::A<int>'}}
};
template class B<int>; // expected-note {{in instantiation}}
}
namespace PR8425 {
template <typename T>
class BaseT {};
template <typename T>
class DerivedT : public BaseT<T> {};
template <typename T>
class FromT {
public:
operator DerivedT<T>() const { return DerivedT<T>(); }
};
void test() {
FromT<int> ft;
BaseT<int> bt(ft);
}
}
|