42 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2// RUN: %clang_cc1 -fsyntax-only -verify -std=c++23 %s3 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// PR534529template <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