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
5void f(int i);
6void f(int i = 0); // expected-note {{previous definition is here}}
7void f(int i = 17); // expected-error {{redefinition of default argument}}
8
9
10void g(int i, int j, int k = 3);
11void g(int i, int j = 2, int k);
12void g(int i = 1, int j, int k);
13
14void 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
19struct S { } s;
20void i(int = s) { } // expected-error {{no viable conversion}} \
21// expected-note{{passing argument to parameter here}}
22
23struct X {
24  X(int);
25};
26
27void j(X x = 17); // expected-note{{'::j' declared here}}
28
29struct 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
37void k(Y y = 17); // expected-error{{no viable conversion}} \
38// expected-note{{passing argument to parameter 'y' here}}
39
40void kk(Y = 17); // expected-error{{no viable conversion}} \
41// expected-note{{passing argument to parameter here}}
42
43int 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
53int 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
66int 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
73int pr20055_f(int x = 0, int y = UNDEFINED); // expected-error{{use of undeclared identifier}}
74int pr20055_v = pr20055_f(0);
75
76void PR20769() { void PR20769(int = 1); }
77void PR20769(int = 2);
78
79void PR20769_b(int = 1);
80void PR20769_b() { void PR20769_b(int = 2); }
81