error[E0539]: malformed `repr` attribute input
  --> $DIR/repr.rs:1:1
   |
LL | #[repr]
   | ^^^^^^^
   | |
   | expected this to be a list
   | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]`

error[E0539]: malformed `repr` attribute input
  --> $DIR/repr.rs:4:1
   |
LL | #[repr = "B"]
   | ^^^^^^^^^^^^^
   | |
   | expected this to be a list
   | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]`

error[E0539]: malformed `repr` attribute input
  --> $DIR/repr.rs:7:1
   |
LL | #[repr = "C"]
   | ^^^^^^^^^^^^^
   | |
   | expected this to be a list
   | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]`

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0539`.