1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 void f(int i); 3 void f(int i = 0); // expected-note {{previous definition is here}} 4 void f(int i = 17); // expected-error {{redefinition of default argument}} 5 6 7 void g(int i, int j, int k = 3); 8 void g(int i, int j = 2, int k); 9 void g(int i = 1, int j, int k); 10 11 void h(int i, int j = 2, int k = 3, 12 int l, // expected-error {{missing default argument on parameter 'l'}} 13 int, // expected-error {{missing default argument on parameter}} 14 int n);// expected-error {{missing default argument on parameter 'n'}} 15 16 struct S { } s; 17 void i(int = s) { } // expected-error {{no viable conversion}} \ 18 // expected-note{{passing argument to parameter here}} 19 20 struct X { 21 X(int); 22 }; 23 24 void j(X x = 17); // expected-note{{'::j' declared here}} 25 26 struct Y { // expected-note 2{{candidate}} 27 explicit Y(int); 28 }; 29 30 void k(Y y = 17); // expected-error{{no viable conversion}} \ 31 // expected-note{{passing argument to parameter 'y' here}} 32 33 void kk(Y = 17); // expected-error{{no viable conversion}} \ 34 // expected-note{{passing argument to parameter here}} 35 36 int l () { 37 int m(int i, int j, int k = 3); 38 if (1) 39 { 40 int m(int i, int j = 2, int k = 4); 41 m(8); 42 } 43 return 0; 44 } 45 46 int i () { 47 void j (int f = 4); 48 { 49 void j (int f); 50 j(); // expected-error{{too few arguments to function call, expected 1, have 0; did you mean '::j'?}} 51 } 52 void jj (int f = 4); 53 { 54 void jj (int f); // expected-note{{'jj' declared here}} 55 jj(); // expected-error{{too few arguments to function call, single argument 'f' was not specified}} 56 } 57 } 58 59 int i2() { 60 void j(int f = 4); // expected-note{{'j' declared here}} 61 { 62 j(2, 3); // expected-error{{too many arguments to function call, expected at most single argument 'f', have 2}} 63 } 64 } 65