1 error[E0716]: temporary value dropped while borrowed
2 --> $DIR/issue-52049.rs:16:10
4 LL | foo(&unpromotable(5u32));
5 | ^^^^^^^^^^^^^^^^^^ creates a temporary which is freed while still in use
7 | - temporary value is freed at the end of this statement
9 = note: borrowed value must be valid for the static lifetime...
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0716`.