1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3
4struct Sub0 {
5  int &operator[](int);
6};
7
8struct Sub1 {
9  long &operator[](long); // expected-note{{candidate function}}
10};
11
12struct ConvertibleToInt {
13  operator int();
14};
15
16template<typename T, typename U, typename Result>
17struct Subscript0 {
18  void test(T t, U u) {
19    Result &result = t[u]; // expected-error{{no viable overloaded operator[] for type}}
20  }
21};
22
23template struct Subscript0<int*, int, int&>;
24template struct Subscript0<Sub0, int, int&>;
25template struct Subscript0<Sub1, ConvertibleToInt, long&>;
26template struct Subscript0<Sub1, Sub0, long&>; // expected-note{{instantiation}}
27
28// PR5345
29template <typename T>
30struct S {
31  bool operator[](int n) const { return true; }
32};
33
34template <typename T>
35void Foo(const S<int>& s, T x) {
36  if (s[0]) {}
37}
38
39void Bar() {
40  Foo(S<int>(), 0);
41}
42