| error[E0658]: unions with non-`Copy` fields are unstable |
| --> $DIR/feature-gate-untagged_unions.rs:9:1 |
| | |
| LL | / union U3 { |
| LL | | a: String, |
| LL | | } |
| | |_^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/32836 |
| = help: add `#![feature(untagged_unions)]` to the crate attributes to enable |
| |
| error[E0658]: unions with non-`Copy` fields are unstable |
| --> $DIR/feature-gate-untagged_unions.rs:13:1 |
| | |
| LL | / union U4<T> { |
| LL | | a: T, |
| LL | | } |
| | |_^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/32836 |
| = help: add `#![feature(untagged_unions)]` to the crate attributes to enable |
| |
| error[E0658]: unions with `Drop` implementations are unstable |
| --> $DIR/feature-gate-untagged_unions.rs:17:1 |
| | |
| LL | / union U5 { |
| LL | | a: u8, |
| LL | | } |
| | |_^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/32836 |
| = help: add `#![feature(untagged_unions)]` to the crate attributes to enable |
| |
| error: aborting due to 3 previous errors |
| |
| For more information about this error, try `rustc --explain E0658`. |
