// { dg-do compile { target c++11 } } | |
struct iterator; | |
struct const_iterator { | |
const_iterator(const iterator&); | |
bool operator==(const const_iterator &ci) const = delete; | |
}; | |
struct iterator { | |
bool operator==(const const_iterator &ci) const { | |
return ci == *this; // { dg-error "deleted" "" { target c++17_down } } | |
} // { dg-warning "reversed" "" { target c++20 } .-1 } | |
}; |