1 // RUN: clang-cc -fsyntax-only -verify %s
2 template<typename T, typename U>
5 (void)(x + y); // expected-error{{invalid operands}}
11 template struct X0<int, float>;
12 template struct X0<int*, int>;
13 template struct X0<int X1::*, int>; // expected-note{{instantiation of}}
21 T *xp = &x, &yr = y; // expected-error{{pointer to a reference}}
26 template struct X2<int>;
27 template struct X2<int&>; // expected-note{{instantiation of}}
38 template struct X3<int>;
40 template <typename T> struct X4 {
42 return; // expected-warning{{non-void function 'f' should return a value}}
46 return 1; // expected-warning{{void function 'g' should not return a value}}
50 template struct X4<void>; // expected-note{{in instantiation of}}
51 template struct X4<int>; // expected-note{{in instantiation of}}
53 struct Incomplete; // expected-note 2{{forward declaration}}
55 template<typename T> struct X5 {
56 T f() { } // expected-error{{incomplete result type}}
58 void test_X5(X5<Incomplete> x5); // okay!
60 template struct X5<Incomplete>; // expected-note{{instantiation}}
62 template<typename T, typename U, typename V> struct X6 {
69 return v; // expected-error{{incompatible type}}
79 struct ConvertibleToInt {
83 template struct X6<ConvertibleToInt, float, char>;
84 template struct X6<bool, int, int*>; // expected-note{{instantiation}}
86 template <typename T> struct X7 {
92 template struct X7<int>;
94 template<typename T> struct While0 {
103 template struct While0<float>;
105 template<typename T> struct Do0 {
108 } while (t); // expected-error{{not contextually}}
111 } while (T t2 = T());
115 struct NotConvertibleToBool { };
116 template struct Do0<ConvertibleToInt>;
117 template struct Do0<NotConvertibleToBool>; // expected-note{{instantiation}}
119 template<typename T> struct For0 {
121 for (; f != l; ++f) {
130 template struct For0<int*>;
132 template<typename T> struct Member0 {
139 tp.f; // expected-error{{member reference base type 'T *' is not a structure or union}}
143 this.f; // expected-error{{member reference base type 'Member0<T> *' is not a structure or union}}
147 template<typename T, typename U> struct Switch0 {
148 U f(T value, U v0, U v1, U v2) {
154 case 2: // fall through
162 template struct Switch0<int, float>;
164 template<typename T, int I1, int I2> struct Switch1 {
167 case I1: return y; // expected-note{{previous}}
168 case I2: return z; // expected-error{{duplicate}}
174 template struct Switch1<int, 1, 2>;
175 template struct Switch1<int, 2, 2>; // expected-note{{instantiation}}
177 template<typename T> struct IndirectGoto0 {
179 // FIXME: crummy error message below
180 goto *x; // expected-error{{incompatible}}
183 T prior_label = &&prior;
185 T later_label = &&later;
192 template struct IndirectGoto0<void*>;
193 template struct IndirectGoto0<int>; // expected-note{{instantiation}}
195 template<typename T> struct TryCatch0 {
198 } catch (T t) { // expected-error{{incomplete type}} \
199 // expected-error{{abstract class}}
206 virtual void foo() = 0; // expected-note{{pure virtual}}
209 template struct TryCatch0<int>; // okay
210 template struct TryCatch0<Incomplete*>; // expected-note{{instantiation}}
211 template struct TryCatch0<Abstract>; // expected-note{{instantiation}}
214 template<typename T> struct X;
215 template<typename T> struct Y : public X<T> {
216 Y& x() { return *this; }