mirror of https://github.com/rust-lang/rust
30 lines
922 B
Plaintext
30 lines
922 B
Plaintext
error[E0517]: attribute should be applied to a struct or union
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--> $DIR/ice-const-prop-unions-known-panics-lint-123710.rs:6:8
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LL | #[repr(packed)]
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| ^^^^^^
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...
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LL | / enum E {
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LL | | A,
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LL | | B,
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LL | | C,
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LL | | }
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| |_- not a struct or union
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error[E0740]: field must implement `Copy` or be wrapped in `ManuallyDrop<...>` to be used in a union
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--> $DIR/ice-const-prop-unions-known-panics-lint-123710.rs:18:9
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LL | e: E,
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| ^^^^
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= note: union fields must not have drop side-effects, which is currently enforced via either `Copy` or `ManuallyDrop<...>`
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help: wrap the field type in `ManuallyDrop<...>`
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LL | e: std::mem::ManuallyDrop<E>,
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| +++++++++++++++++++++++ +
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0517, E0740.
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For more information about an error, try `rustc --explain E0517`.
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