| error[E0015]: cannot call non-const operator in constant functions |
| --> $DIR/feature-gate-diagnostic-on-const.rs:12:5 |
| | |
| LL | Foo == Foo; |
| | ^^^^^^^^^^ |
| | |
| note: impl defined here, but it is not `const` |
| --> $DIR/auxiliary/diagnostic-on-const.rs:4:1 |
| | |
| LL | impl PartialEq for Foo { |
| | ^^^^^^^^^^^^^^^^^^^^^^ |
| = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0015`. |
