| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s |
| 3 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
| 4 | |
| 5 | void f(int i); |
| 6 | void f(int i = 0); // expected-note {{previous definition is here}} |
| 7 | void f(int i = 17); // expected-error {{redefinition of default argument}} |
| 8 | |
| 9 | |
| 10 | void g(int i, int j, int k = 3); |
| 11 | void g(int i, int j = 2, int k); |
| 12 | void g(int i = 1, int j, int k); |
| 13 | |
| 14 | void h(int i, int j = 2, int k = 3, |
| 15 | int l, // expected-error {{missing default argument on parameter 'l'}} |
| 16 | int, // expected-error {{missing default argument on parameter}} |
| 17 | int n);// expected-error {{missing default argument on parameter 'n'}} |
| 18 | |
| 19 | struct S { } s; |
| 20 | void i(int = s) { } // expected-error {{no viable conversion}} \ |
| 21 | // expected-note{{passing argument to parameter here}} |
| 22 | |
| 23 | struct X { |
| 24 | X(int); |
| 25 | }; |
| 26 | |
| 27 | void j(X x = 17); // expected-note{{'::j' declared here}} |
| 28 | |
| 29 | struct Y { // expected-note 2{{candidate constructor (the implicit copy constructor) not viable}} |
| 30 | #if __cplusplus >= 201103L // C++11 or later |
| 31 | // expected-note@-2 2 {{candidate constructor (the implicit move constructor) not viable}} |
| 32 | #endif |
| 33 | |
| 34 | explicit Y(int); |
| 35 | }; |
| 36 | |
| 37 | void k(Y y = 17); // expected-error{{no viable conversion}} \ |
| 38 | // expected-note{{passing argument to parameter 'y' here}} |
| 39 | |
| 40 | void kk(Y = 17); // expected-error{{no viable conversion}} \ |
| 41 | // expected-note{{passing argument to parameter here}} |
| 42 | |
| 43 | int l () { |
| 44 | int m(int i, int j, int k = 3); |
| 45 | if (1) |
| 46 | { |
| 47 | int m(int i, int j = 2, int k = 4); |
| 48 | m(8); |
| 49 | } |
| 50 | return 0; |
| 51 | } |
| 52 | |
| 53 | int i () { |
| 54 | void j (int f = 4); |
| 55 | { |
| 56 | void j (int f); |
| 57 | j(); // expected-error{{too few arguments to function call, expected 1, have 0; did you mean '::j'?}} |
| 58 | } |
| 59 | void jj (int f = 4); |
| 60 | { |
| 61 | void jj (int f); // expected-note{{'jj' declared here}} |
| 62 | jj(); // expected-error{{too few arguments to function call, single argument 'f' was not specified}} |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | int i2() { |
| 67 | void j(int f = 4); // expected-note{{'j' declared here}} |
| 68 | { |
| 69 | j(2, 3); // expected-error{{too many arguments to function call, expected at most single argument 'f', have 2}} |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | int pr20055_f(int x = 0, int y = UNDEFINED); // expected-error{{use of undeclared identifier}} |
| 74 | int pr20055_v = pr20055_f(0); |
| 75 | |
| 76 | void PR20769() { void PR20769(int = 1); } |
| 77 | void PR20769(int = 2); |
| 78 | |
| 79 | void PR20769_b(int = 1); |
| 80 | void PR20769_b() { void PR20769_b(int = 2); } |
| 81 | |