rust/src/test/ui/borrowck/mut-borrow-of-mut-ref.stderr

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error[E0596]: cannot borrow immutable argument `b` as mutable
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--> $DIR/mut-borrow-of-mut-ref.rs:8:12
|
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LL | g(&mut b)
| ^ cannot borrow mutably
help: consider removing the `&mut`, as it is an immutable binding to a mutable reference
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LL | g(b)
| ^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0596`.