| error[E0658]: repr with 128-bit type is unstable | |
| --> $DIR/E0658.rs:2:1 | |
| | | |
| LL | / enum Foo { | |
| LL | | Bar(u64), | |
| LL | | } | |
| | |_^ | |
| | | |
| = note: see issue #56071 <https://github.com/rust-lang/rust/issues/56071> for more information | |
| = help: add `#![feature(repr128)]` to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0658`. |