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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-pc-linux-gnu
template<int I, int J>
struct Bitfields {
int simple : I; // expected-error{{bit-field 'simple' has zero width}}
int parens : (J);
};
void test_Bitfields(Bitfields<0, 5> *b) {
(void)sizeof(Bitfields<10, 5>);
(void)sizeof(Bitfields<0, 1>); // expected-note{{in instantiation of template class 'Bitfields<0, 1>' requested here}}
}
template<int I, int J>
struct BitfieldPlus {
int bitfield : I + J; // expected-error{{bit-field 'bitfield' has zero width}}
};
void test_BitfieldPlus() {
(void)sizeof(BitfieldPlus<0, 1>);
(void)sizeof(BitfieldPlus<-5, 5>); // expected-note{{in instantiation of template class 'BitfieldPlus<-5, 5>' requested here}}
}
template<int I, int J>
struct BitfieldMinus {
int bitfield : I - J; // expected-error{{bit-field 'bitfield' has negative width (-1)}} \
// expected-error{{bit-field 'bitfield' has zero width}}
};
void test_BitfieldMinus() {
(void)sizeof(BitfieldMinus<5, 1>);
(void)sizeof(BitfieldMinus<0, 1>); // expected-note{{in instantiation of template class 'BitfieldMinus<0, 1>' requested here}}
(void)sizeof(BitfieldMinus<5, 5>); // expected-note{{in instantiation of template class 'BitfieldMinus<5, 5>' requested here}}
}
template<int I, int J>
struct BitfieldDivide {
int bitfield : I / J; // expected-error{{expression is not an integral constant expression}} \
// expected-note{{division by zero}}
};
void test_BitfieldDivide() {
(void)sizeof(BitfieldDivide<5, 1>);
(void)sizeof(BitfieldDivide<5, 0>); // expected-note{{in instantiation of template class 'BitfieldDivide<5, 0>' requested here}}
}
template<typename T, T I, int J>
struct BitfieldDep {
int bitfield : I + J;
};
void test_BitfieldDep() {
(void)sizeof(BitfieldDep<int, 1, 5>);
}
template<int I>
struct BitfieldNeg {
int bitfield : (-I); // expected-error{{bit-field 'bitfield' has negative width (-5)}}
};
template<typename T, T I>
struct BitfieldNeg2 {
int bitfield : (-I); // expected-error{{bit-field 'bitfield' has negative width (-5)}}
};
void test_BitfieldNeg() {
(void)sizeof(BitfieldNeg<-5>); // okay
(void)sizeof(BitfieldNeg<5>); // expected-note{{in instantiation of template class 'BitfieldNeg<5>' requested here}}
(void)sizeof(BitfieldNeg2<int, -5>); // okay
(void)sizeof(BitfieldNeg2<int, 5>); // expected-note{{in instantiation of template class 'BitfieldNeg2<int, 5>' requested here}}
}
template<typename T>
void increment(T &x) {
(void)++x;
}
struct Incrementable {
Incrementable &operator++();
};
void test_increment(Incrementable inc) {
increment(inc);
}
template<typename T>
void add(const T &x) {
(void)(x + x);
}
namespace PR6237 {
template <typename T>
void f(T t) {
t++;
}
struct B { };
B operator++(B &, int);
template void f(B);
}
struct Addable {
Addable operator+(const Addable&) const;
};
void test_add(Addable &a) {
add(a);
}
struct CallOperator {
int &operator()(int);
double &operator()(double);
};
template<typename Result, typename F, typename Arg1>
Result test_call_operator(F f, Arg1 arg1) {
// PR5266: non-dependent invocations of a function call operator.
CallOperator call_op;
int &ir = call_op(17);
return f(arg1);
}
void test_call_operator(CallOperator call_op, int i, double d) {
int &ir = test_call_operator<int&>(call_op, i);
double &dr = test_call_operator<double&>(call_op, d);
}
template<typename T>
void test_asm(T t) {
asm ("nop" : "=r"(*t) : "r"(*t)); // expected-error {{indirection requires pointer operand ('int' invalid)}}
}
void test_asm() {
int* a;
test_asm(a);
int b;
test_asm(b); // expected-note {{in instantiation of function template specialization 'test_asm<int>' requested here}}
}
namespace PR6424 {
template<int I> struct X {
X() {
int *ip = I; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}}
}
};
template<int> struct Y {
typedef X<7> X7;
void f() { X7(); } // expected-note{{instantiation}}
};
template void Y<3>::f();
template<int I>
struct X2 {
void *operator new(__SIZE_TYPE__) {
int *ip = I; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}}
return ip;
}
};
template<int> struct Y2 {
typedef X2<7> X;
void f() {
new X(); // expected-note{{instantiation of}}
}
};
template void Y2<3>::f();
template<typename T>
void rdar10283928(int count) {
(void)new char[count]();
}
template void rdar10283928<int>(int);
}
namespace PR10864 {
template<typename T> class Vals {};
template<> class Vals<int> { public: static const int i = 1; };
template<> class Vals<float> { public: static const double i; };
template<typename T> void test_asm_tied(T o) {
__asm("addl $1, %0" : "=r" (o) : "0"(Vals<T>::i)); // expected-error {{input with type 'double' matching output with type 'float'}}
}
void test_asm_tied() {
test_asm_tied(1);
test_asm_tied(1.f); // expected-note {{instantiation of}}
}
}
|
