error[E0515]: cannot return value referencing temporary value
  --> $DIR/promote-ref-mut-in-let-issue-46557.rs:6:5
   |
LL |     let ref mut x = 1234543;
   |                     ------- temporary value created here
LL |     x
   |     ^ returns a value referencing data owned by the current function

error[E0515]: cannot return value referencing temporary value
  --> $DIR/promote-ref-mut-in-let-issue-46557.rs:11:5
   |
LL |     let (ref mut x, ) = (1234543, );
   |                         ----------- temporary value created here
LL |     x
   |     ^ returns a value referencing data owned by the current function

error[E0515]: cannot return value referencing temporary value
  --> $DIR/promote-ref-mut-in-let-issue-46557.rs:15:5
   |
LL |       match 1234543 {
   |       ^     ------- temporary value created here
   |  _____|
   | |
LL | |         ref mut x => x
LL | |     }
   | |_____^ returns a value referencing data owned by the current function

error[E0515]: cannot return value referencing temporary value
  --> $DIR/promote-ref-mut-in-let-issue-46557.rs:21:5
   |
LL |       match (123443,) {
   |       ^     --------- temporary value created here
   |  _____|
   | |
LL | |         (ref mut x,) => x,
LL | |     }
   | |_____^ returns a value referencing data owned by the current function

error[E0515]: cannot return reference to temporary value
  --> $DIR/promote-ref-mut-in-let-issue-46557.rs:27:5
   |
LL |     &mut 1234543
   |     ^^^^^-------
   |     |    |
   |     |    temporary value created here
   |     returns a reference to data owned by the current function

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0515`.