1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 struct X {
3 X();
4 X(int);
5 };
6
7 X operator+(X, X);
operator -(X,X)8 X operator-(X, X) { X x; return x; }
9
10 struct Y {
11 Y operator-() const;
12 void operator()(int x = 17) const;
13 int operator[](int);
14
15 static int operator+(Y, Y); // expected-error{{overloaded 'operator+' cannot be a static member function}}
16 };
17
18
f(X x)19 void f(X x) {
20 x = operator+(x, x);
21 }
22
23 X operator+(int, float); // expected-error{{overloaded 'operator+' must have at least one parameter of class or enumeration type}}
24
25 X operator*(X, X = 5); // expected-error{{parameter of overloaded 'operator*' cannot have a default argument}}
26
27 X operator/(X, X, ...); // expected-error{{overloaded 'operator/' cannot be variadic}}
28
29 X operator%(Y); // expected-error{{overloaded 'operator%' must be a binary operator (has 1 parameter)}}
30
31 void operator()(Y&, int, int); // expected-error{{overloaded 'operator()' must be a non-static member function}}
32
33 typedef int INT;
34 typedef float FLOAT;
35 Y& operator++(Y&);
36 Y operator++(Y&, INT);
37 X operator++(X&, FLOAT); // expected-error{{parameter of overloaded post-increment operator must have type 'int' (not 'FLOAT' (aka 'float'))}}
38
39 int operator+; // expected-error{{'operator+' cannot be the name of a variable or data member}}
40
41 namespace PR6238 {
42 static struct {
43 void operator()();
44 } plus;
45 }
46
47 struct PR10839 {
48 operator int; // expected-error{{'operator int' cannot be the name of a variable or data member}}
49 int operator+; // expected-error{{'operator+' cannot be the name of a variable or data member}}
50 };
51
52 namespace PR14120 {
53 struct A {
operator ()PR14120::A54 static void operator()(int& i) { ++i; } // expected-error{{overloaded 'operator()' cannot be a static member function}}
55 };
f()56 void f() {
57 int i = 0;
58 A()(i);
59 }
60 }
61