addr-of-overloaded-function.cpp revision a91eb541a6adf81acf872e7315bc6b814c3241eb 
1// RUN: %clang_cc1 -fsyntax-only -verify %s
2int f(double);
3int f(int);
4
5int (*pfd)(double) = f; // selects f(double)
6int (*pfd2)(double) = &f; // selects f(double)
7int (*pfd3)(double) = ((&((f)))); // selects f(double)
8int (*pfi)(int) = &f;    // selects f(int)
9// FIXME: This error message is not very good. We need to keep better
10// track of what went wrong when the implicit conversion failed to
11// give a better error message here.
12int (*pfe)(...) = &f;    // expected-error{{cannot initialize a variable of type 'int (*)(...)' with an rvalue of type '<overloaded function type>'}}
13int (&rfi)(int) = f;     // selects f(int)
14int (&rfd)(double) = f;  // selects f(double)
15
16void g(int (*fp)(int));   // expected-note{{note: candidate function}}
17void g(int (*fp)(float));
18void g(int (*fp)(double)); // expected-note{{note: candidate function}}
19
20int g1(int);
21int g1(char);
22
23int g2(int);
24int g2(double);
25
26template<typename T> T g3(T);
27int g3(int);
28int g3(char);
29
30void g_test() {
31  g(g1);
32  g(g2); // expected-error{{call to 'g' is ambiguous; candidates are:}}
33  g(g3);
34}
35
36template<typename T> T h1(T);
37template<typename R, typename A1> R h1(A1);
38int h1(char);
39
40void ha(int (*fp)(int));
41void hb(int (*fp)(double));
42
43void h_test() {
44  ha(h1);
45  hb(h1);
46}
47
48struct A { };
49void f(void (*)(A *));
50
51struct B
52{
53  void g() { f(d); }
54  void d(void *);
55  static void d(A *);
56};
57