rust/tests/ui/pattern/patkind-ref-binding-issue-1...

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error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable
--> $DIR/patkind-ref-binding-issue-114896.rs:7:9
|
LL | let &b = a;
| -- help: consider changing this to be mutable: `&(mut b)`
LL | b.make_ascii_uppercase();
| ^ cannot borrow as mutable
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0596`.