1 // RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-pc-linux-gnu
4 int simple : I; // expected-error{{bit-field 'simple' has zero width}}
8 void test_Bitfields(Bitfields<0, 5> *b) {
9 (void)sizeof(Bitfields<10, 5>);
10 (void)sizeof(Bitfields<0, 1>); // expected-note{{in instantiation of template class 'Bitfields<0, 1>' requested here}}
13 template<int I, int J>
15 int bitfield : I + J; // expected-error{{bit-field 'bitfield' has zero width}}
18 void test_BitfieldPlus() {
19 (void)sizeof(BitfieldPlus<0, 1>);
20 (void)sizeof(BitfieldPlus<-5, 5>); // expected-note{{in instantiation of template class 'BitfieldPlus<-5, 5>' requested here}}
23 template<int I, int J>
24 struct BitfieldMinus {
25 int bitfield : I - J; // expected-error{{bit-field 'bitfield' has negative width (-1)}} \
26 // expected-error{{bit-field 'bitfield' has zero width}}
29 void test_BitfieldMinus() {
30 (void)sizeof(BitfieldMinus<5, 1>);
31 (void)sizeof(BitfieldMinus<0, 1>); // expected-note{{in instantiation of template class 'BitfieldMinus<0, 1>' requested here}}
32 (void)sizeof(BitfieldMinus<5, 5>); // expected-note{{in instantiation of template class 'BitfieldMinus<5, 5>' requested here}}
35 template<int I, int J>
36 struct BitfieldDivide {
37 int bitfield : I / J; // expected-error{{expression is not an integral constant expression}} \
38 // expected-note{{division by zero}}
41 void test_BitfieldDivide() {
42 (void)sizeof(BitfieldDivide<5, 1>);
43 (void)sizeof(BitfieldDivide<5, 0>); // expected-note{{in instantiation of template class 'BitfieldDivide<5, 0>' requested here}}
46 template<typename T, T I, int J>
51 void test_BitfieldDep() {
52 (void)sizeof(BitfieldDep<int, 1, 5>);
57 int bitfield : (-I); // expected-error{{bit-field 'bitfield' has negative width (-5)}}
60 template<typename T, T I>
62 int bitfield : (-I); // expected-error{{bit-field 'bitfield' has negative width (-5)}}
65 void test_BitfieldNeg() {
66 (void)sizeof(BitfieldNeg<-5>); // okay
67 (void)sizeof(BitfieldNeg<5>); // expected-note{{in instantiation of template class 'BitfieldNeg<5>' requested here}}
68 (void)sizeof(BitfieldNeg2<int, -5>); // okay
69 (void)sizeof(BitfieldNeg2<int, 5>); // expected-note{{in instantiation of template class 'BitfieldNeg2<int, 5>' requested here}}
73 void increment(T &x) {
77 struct Incrementable {
78 Incrementable &operator++();
81 void test_increment(Incrementable inc) {
86 void add(const T &x) {
97 B operator++(B &, int);
103 Addable operator+(const Addable&) const;
106 void test_add(Addable &a) {
110 struct CallOperator {
111 int &operator()(int);
112 double &operator()(double);
115 template<typename Result, typename F, typename Arg1>
116 Result test_call_operator(F f, Arg1 arg1) {
117 // PR5266: non-dependent invocations of a function call operator.
118 CallOperator call_op;
119 int &ir = call_op(17);
123 void test_call_operator(CallOperator call_op, int i, double d) {
124 int &ir = test_call_operator<int&>(call_op, i);
125 double &dr = test_call_operator<double&>(call_op, d);
130 asm ("nop" : "=r"(*t) : "r"(*t)); // expected-error {{indirection requires pointer operand ('int' invalid)}}
138 test_asm(b); // expected-note {{in instantiation of function template specialization 'test_asm<int>' requested here}}
142 template<int I> struct X {
144 int *ip = I; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}}
148 template<int> struct Y {
151 void f() { X7(); } // expected-note{{instantiation}}
154 template void Y<3>::f();
158 void *operator new(__SIZE_TYPE__) {
159 int *ip = I; // expected-error{{cannot initialize a variable of type 'int *' with an rvalue of type 'int'}}
164 template<int> struct Y2 {
167 new X(); // expected-note{{instantiation of}}
171 template void Y2<3>::f();
174 void rdar10283928(int count) {
175 (void)new char[count]();
178 template void rdar10283928<int>(int);
182 template<typename T> class Vals {};
183 template<> class Vals<int> { public: static const int i = 1; };
184 template<> class Vals<float> { public: static const double i; };
185 template<typename T> void test_asm_tied(T o) {
186 __asm("addl $1, %0" : "=r" (o) : "0"(Vals<T>::i)); // expected-error {{input with type 'double' matching output with type 'float'}}
188 void test_asm_tied() {
190 test_asm_tied(1.f); // expected-note {{instantiation of}}