error[E0597]: borrowed value does not live long enough
  --> $DIR/issue-15480.rs:15:10
   |
LL |         &id(3)
   |          ^^^^^ temporary value does not live long enough
LL |     ];
   |      - temporary value only lives until here
...
LL |     for &&x in &v {
   |                -- borrow later used here

error: aborting due to previous error

For more information about this error, try `rustc --explain E0597`.