default2.cpp revision 3996f23ac20de411e0b5931a451bd05142f0b712 
1// RUN: clang -fsyntax-only -verify %s
2void f(int i, int j, int k = 3);
3void f(int i, int j, int k);
4void f(int i, int j = 2, int k);
5void f(int i, int j, int k);
6void f(int i = 1, int j, int k);
7void f(int i, int j, int k);
8
9void i()
10{
11  f();
12  f(0);
13  f(0, 1);
14  f(0, 1, 2);
15}
16
17
18int f1(int i, int i, int j) { // expected-error {{redefinition of parameter 'i'}}
19  i = 17;
20  return j;
21}
22
23int x;
24void g(int x, int y = x); // expected-error {{default argument references parameter 'x'}}
25
26void h()
27{
28   int i;
29   extern void h2(int x = sizeof(i)); // expected-error {{default argument references local variable 'i' of enclosing function}}
30}
31
32void g2(int x, int y, int z = x + y); // expected-error {{default argument references parameter 'x'}} expected-error {{default argument references parameter 'y'}}
33
34void nondecl(int (*f)(int x = 5)) // {expected-error {{default arguments can only be specified}}}
35{
36  void (*f2)(int = 17)  // {expected-error {{default arguments can only be specified}}}
37    = (void (*)(int = 42))f; // {expected-error {{default arguments can only be specified}}}
38}
39
40class X {
41  void f(X* x = this); // expected-error{{invalid use of 'this' outside of a nonstatic member function}}
42
43  void g() {
44    int f(X* x = this); // expected-error{{default argument references 'this'}}
45  }
46};
47