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error[E0539]: malformed `repr` attribute input
--> $DIR/malformed-reprs.rs:4:1
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LL | #![repr]
| ^^^^^^^^ expected this to be a list
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= note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations>
help: try changing it to one of the following valid forms of the attribute
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LL - #![repr]
LL + #[repr(<integer type>)]
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LL - #![repr]
LL + #[repr(C)]
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LL - #![repr]
LL + #[repr(Rust)]
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LL - #![repr]
LL + #[repr(align(...))]
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= and 2 other candidates
error[E0589]: invalid `repr(align)` attribute: not a power of two
--> $DIR/malformed-reprs.rs:9:14
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LL | #[repr(align(0))]
| ^
error: `repr` attribute cannot be used at crate level
--> $DIR/malformed-reprs.rs:4:1
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LL | #![repr]
| ^^^^^^^^
...
LL | enum Foo {}
| --- the inner attribute doesn't annotate this enum
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help: perhaps you meant to use an outer attribute
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LL - #![repr]
LL + #[repr]
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error[E0084]: unsupported representation for zero-variant enum
--> $DIR/malformed-reprs.rs:9:1
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LL | #[repr(align(0))]
| ^^^^^^^^^^^^^^^^^
...
LL | enum Foo {}
| -------- zero-variant enum
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0084, E0539, E0589.
For more information about an error, try `rustc --explain E0084`.
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