1 error[E0515]: cannot return value referencing temporary value
2 --> $DIR/return-ref-mut-issue-46557.rs:5:5
4 LL | let ref mut x = 1234543;
5 | ------- temporary value created here
7 | ^ returns a value referencing data owned by the current function
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0515`.