1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
8 void two() { } // expected-note 4{{possible target for call}}
9 void two(int) { } // expected-note 4{{possible target for call}}
11 template<class T> void twoT() { } // expected-note 5{{possible target for call}}
12 template<class T> void twoT(int) { } // expected-note 5{{possible target for call}}
14 template<class T> void oneT() { }
15 template<class T, class U> void oneT(U) { }
18 an object or reference being initialized (8.5, 8.5.3),
19 the left side of an assignment (5.17),
20 a parameter of a function (5.2.2),
21 a parameter of a user-defined operator (13.5),
22 the return value of a function, operator function, or conversion (6.6.3),
23 an explicit type conversion (5.2.3, 5.2.9, 5.4), or
24 a non-type template-parameter (14.3.2)
27 template<void (*p)(int)> struct test { };
31 one; // expected-warning {{expression result unused}}
32 two; // expected-error {{reference to overloaded function could not be resolved; did you mean to call it with no arguments?}}
33 oneT<int>; // expected-warning {{expression result unused}}
34 twoT<int>; // expected-error {{reference to overloaded function could not be resolved; did you mean to call it?}}
35 typeid(oneT<int>); // expected-warning{{expression result unused}}
36 sizeof(oneT<int>); // expected-warning {{expression result unused}}
37 sizeof(twoT<int>); //expected-error {{reference to overloaded function could not be resolved; did you mean to call it?}}
38 decltype(oneT<int>)* fun = 0;
40 *one; // expected-warning {{expression result unused}}
41 *oneT<int>; // expected-warning {{expression result unused}}
42 *two; //expected-error {{reference to overloaded function could not be resolved; did you mean to call it with no arguments?}} expected-error {{indirection requires pointer operand}}
43 *twoT<int>; //expected-error {{reference to overloaded function could not be resolved; did you mean to call it?}}
44 !oneT<int>; // expected-warning {{expression result unused}}
45 +oneT<int>; // expected-warning {{expression result unused}}
46 -oneT<int>; //expected-error {{invalid argument type}}
47 oneT<int> == 0; // expected-warning {{equality comparison result unused}} \
48 // expected-note {{use '=' to turn this equality comparison into an assignment}}
49 0 == oneT<int>; // expected-warning {{equality comparison result unused}}
50 0 != oneT<int>; // expected-warning {{inequality comparison result unused}}
51 (false ? one : oneT<int>); // expected-warning {{expression result unused}}
52 void (*p1)(int); p1 = oneT<int>;
54 int i = (int) (false ? (void (*)(int))twoT<int> : oneT<int>); //expected-error {{incompatible operand}}
55 (twoT<int>) == oneT<int>; //expected-error {{reference to overloaded function could not be resolved; did you mean to call it?}} {{cannot resolve overloaded function 'twoT' from context}}
57 void (*p)() = oneT<int>;
59 void (*u)(int) = oneT<int>;
61 b = (void (*)()) twoT<int>;
63 one < one; //expected-warning {{self-comparison always evaluates to false}} \
64 //expected-warning {{expression result unused}}
66 oneT<int> < oneT<int>; //expected-warning {{self-comparison always evaluates to false}} \
67 //expected-warning {{expression result unused}}
69 two < two; //expected-error 2 {{reference to overloaded function could not be resolved; did you mean to call it with no arguments?}} expected-error {{invalid operands to binary expression ('void' and 'void')}}
70 twoT<int> < twoT<int>; //expected-error {{reference to overloaded function could not be resolved; did you mean to call it?}} {{cannot resolve overloaded function 'twoT' from context}}
71 oneT<int> == 0; // expected-warning {{equality comparison result unused}} \
72 // expected-note {{use '=' to turn this equality comparison into an assignment}}
77 template<typename> void f();
80 void test_rdar9108698(rdar9108698 x) {
81 x.f<int>; // expected-error{{reference to non-static member function must be called}}