rust/tests/ui/closures/issue-5239-1.stderr

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error[E0368]: binary assignment operation `+=` cannot be applied to type `&isize`
--> $DIR/issue-5239-1.rs:4:30
|
LL | let x = |ref x: isize| { x += 1; };
| -^^^^^
| |
| cannot use `+=` on type `&isize`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0368`.