1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s
2*67e74705SXin Li
3*67e74705SXin Li
4*67e74705SXin Li struct Sub0 {
5*67e74705SXin Li int &operator[](int);
6*67e74705SXin Li };
7*67e74705SXin Li
8*67e74705SXin Li struct Sub1 {
9*67e74705SXin Li long &operator[](long); // expected-note{{candidate function}}
10*67e74705SXin Li };
11*67e74705SXin Li
12*67e74705SXin Li struct ConvertibleToInt {
13*67e74705SXin Li operator int();
14*67e74705SXin Li };
15*67e74705SXin Li
16*67e74705SXin Li template<typename T, typename U, typename Result>
17*67e74705SXin Li struct Subscript0 {
testSubscript018*67e74705SXin Li void test(T t, U u) {
19*67e74705SXin Li Result &result = t[u]; // expected-error{{no viable overloaded operator[] for type}}
20*67e74705SXin Li }
21*67e74705SXin Li };
22*67e74705SXin Li
23*67e74705SXin Li template struct Subscript0<int*, int, int&>;
24*67e74705SXin Li template struct Subscript0<Sub0, int, int&>;
25*67e74705SXin Li template struct Subscript0<Sub1, ConvertibleToInt, long&>;
26*67e74705SXin Li template struct Subscript0<Sub1, Sub0, long&>; // expected-note{{instantiation}}
27*67e74705SXin Li
28*67e74705SXin Li // PR5345
29*67e74705SXin Li template <typename T>
30*67e74705SXin Li struct S {
operator []S31*67e74705SXin Li bool operator[](int n) const { return true; }
32*67e74705SXin Li };
33*67e74705SXin Li
34*67e74705SXin Li template <typename T>
Foo(const S<int> & s,T x)35*67e74705SXin Li void Foo(const S<int>& s, T x) {
36*67e74705SXin Li if (s[0]) {}
37*67e74705SXin Li }
38*67e74705SXin Li
Bar()39*67e74705SXin Li void Bar() {
40*67e74705SXin Li Foo(S<int>(), 0);
41*67e74705SXin Li }
42