rust/src/test/ui/borrowck/immutable-arg.stderr

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error[E0384]: cannot assign twice to immutable variable `_x` (Ast)
--> $DIR/immutable-arg.rs:14:5
|
LL | fn foo(_x: u32) {
| -- first assignment to `_x`
LL | _x = 4;
| ^^^^^^ cannot assign twice to immutable variable
error[E0384]: cannot assign to immutable argument `_x` (Mir)
--> $DIR/immutable-arg.rs:14:5
|
LL | fn foo(_x: u32) {
| -- consider changing this to `mut _x`
LL | _x = 4;
| ^^^^^^ cannot assign to immutable argument
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0384`.