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150
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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2 struct X {
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3 X();
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4 X(int);
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5 };
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6
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7 X operator+(X, X);
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8 X operator-(X, X) { X x; return x; }
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9
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10 struct Y {
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11 Y operator-() const;
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12 void operator()(int x = 17) const;
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13 int operator[](int);
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14
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15 static int operator+(Y, Y); // expected-error{{overloaded 'operator+' cannot be a static member function}}
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16 };
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17
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18
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19 void f(X x) {
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20 x = operator+(x, x);
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21 }
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22
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23 X operator+(int, float); // expected-error{{overloaded 'operator+' must have at least one parameter of class or enumeration type}}
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24
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25 X operator*(X, X = 5); // expected-error{{parameter of overloaded 'operator*' cannot have a default argument}}
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26
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27 X operator/(X, X, ...); // expected-error{{overloaded 'operator/' cannot be variadic}}
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28
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29 X operator%(Y); // expected-error{{overloaded 'operator%' must be a binary operator (has 1 parameter)}}
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30
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31 void operator()(Y&, int, int); // expected-error{{overloaded 'operator()' must be a non-static member function}}
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32
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33 typedef int INT;
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34 typedef float FLOAT;
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35 Y& operator++(Y&);
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36 Y operator++(Y&, INT);
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37 X operator++(X&, FLOAT); // expected-error{{parameter of overloaded post-increment operator must have type 'int' (not 'FLOAT' (aka 'float'))}}
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38
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39 int operator+; // expected-error{{'operator+' cannot be the name of a variable or data member}}
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40
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41 namespace PR6238 {
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42 static struct {
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43 void operator()();
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44 } plus;
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45 }
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46
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47 struct PR10839 {
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48 operator int; // expected-error{{'operator int' cannot be the name of a variable or data member}}
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49 int operator+; // expected-error{{'operator+' cannot be the name of a variable or data member}}
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50 };
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51
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52 namespace PR14120 {
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53 struct A {
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54 static void operator()(int& i) { ++i; } // expected-error{{overloaded 'operator()' cannot be a static member function}}
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55 };
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56 void f() {
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57 int i = 0;
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58 A()(i);
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59 }
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60 }
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