| // RUN: %clang_cc1 -std=c++2a -verify %s |
| |
| struct Good { |
| int operator<=>(const Good&) const; |
| |
| bool operator<(const Good&) const = default; |
| bool operator>(const Good&) const = default; |
| friend bool operator<=(const Good&, const Good&) = default; |
| friend bool operator>=(const Good&, const Good&) = default; |
| }; |
| |
| enum Bool : bool {}; |
| struct Bad { |
| bool &operator<(const Bad&) const = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'bool &'}} |
| const bool operator>(const Bad&) const = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'const bool'}} |
| friend Bool operator<=(const Bad&, const Bad&) = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'Bool'}} |
| friend int operator>=(const Bad&, const Bad&) = default; // expected-error {{return type for defaulted relational comparison operator must be 'bool', not 'int'}} |
| }; |
| |
| template<typename T> struct Ugly { |
| T operator<(const Ugly&) const = default; // expected-error {{return type}} |
| T operator>(const Ugly&) const = default; // expected-error {{return type}} |
| friend T operator<=(const Ugly&, const Ugly&) = default; // expected-error {{return type}} |
| friend T operator>=(const Ugly&, const Ugly&) = default; // expected-error {{return type}} |
| }; |
| template struct Ugly<bool>; |
| template struct Ugly<int>; // expected-note {{in instantiation of}} |
