| // PR c++/99701 |
| // { dg-do compile { target c++20 } } |
| |
| #include <compare> |
| |
| decltype(nullptr) foo (); |
| |
| auto b0 = nullptr <=> nullptr; // { dg-error "ordered comparison" } |
| auto b1 = 0 <=> nullptr; // { dg-error "ordered comparison" } |
| auto b2 = nullptr <=> 0; // { dg-error "ordered comparison" } |
| auto b3 = foo () <=> 0; // { dg-error "ordered comparison" } |
| auto b4 = 0 <=> foo (); // { dg-error "ordered comparison" } |
| auto b5 = foo () <=> nullptr; // { dg-error "ordered comparison" } |
| auto b6 = nullptr <=> foo (); // { dg-error "ordered comparison" } |
