| error: const `impl` for trait `Default` which is not marked with `#[const_trait]` | |
| --> $DIR/rustc-impl-const-stability.rs:16:12 | |
| | | |
| LL | impl const Default for Data { | |
| | ^^^^^^^ | |
| | | |
| = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` | |
| = note: adding a non-const method body in the future would be a breaking change | |
| error: aborting due to 1 previous error | |