| // { dg-options "-pedantic" } |
| // { dg-do compile { target c++11 } } |
| |
| // Bug 115939 - Cannot unambiguously compare iterators in std::unordered_map |
| |
| #include <unordered_map> |
| |
| struct any_conv |
| { |
| template<typename T> |
| any_conv(T&&) { } |
| |
| template<typename T> |
| friend bool operator==(const any_conv&, const T&) { return true; } |
| |
| template<typename T> |
| friend bool operator!=(const any_conv&, const T&) { return false; } |
| }; |
| |
| std::unordered_map<int, any_conv>::iterator i{}; |
| std::unordered_map<int, any_conv>::const_iterator j{}; |
| bool b1 = i == i; // { dg-bogus "ambiguous" } |
| bool b2 = j == j; // { dg-bogus "ambiguous" } |
| bool b3 = i == j; // { dg-bogus "ambiguous" } |
| bool b4 = j == i; // { dg-bogus "ambiguous" } |
| bool b5 = i != i; // { dg-bogus "ambiguous" } |
| bool b6 = j != j; // { dg-bogus "ambiguous" } |
| bool b7 = i != j; // { dg-bogus "ambiguous" } |
| bool b8 = j != i; // { dg-bogus "ambiguous" } |
