error[E0716]: temporary value dropped while borrowed
  --> $DIR/fn-item-check-trait-ref.rs:13:7
   |
LL |     (&String::new()).assert_static();
   |     --^^^^^^^^^^^^^------------------ temporary value is freed at the end of this statement
   |     | |
   |     | creates a temporary value which is freed while still in use
   |     argument requires that borrow lasts for `'static`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0716`.